VBS/LoveLetter@MM!E3C​0159C40BC

This page shows details and results of our analysis on the malware VBS/LoveLetter@MM!E3C0159C40BC

Overview

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.


Minimum Engine

5600.1067

File Length

44032

Description Added

2013-05-15

Description Modified

2013-05-15

Malware Proliferation

Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionVBS/LoveLetter@MM
Length44032 bytes
MD5e3c0159c40bcdf54098dde348a99bafb
SHA12919b88d50fb22cd6d374b06518393eefd3fe51d


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWorm/Win32.Mixor
avastWin32:Malware-gen
AVG (GriSoft)I-Worm/Luder.A
aviraWORM/Zhelatin.Gen
BitDefenderDeepScan:Generic.Malware.SIM!g.54277E3C
clamavPUA.Win32.Packer.Pearmor-4
F-ProtW32/Mixor.A
FortiNetW32/LoveLetter.CR@mm
Microsoftvirus:win32/duel.a@mm
SymantecW32.Mixor
EsetWin32/LoveLetter worm (variant)
normanTroj_Generic.LEVVP
pandaTrj/Genetic.gen
SophosMal/EncPk-GT
Trend MicroMal_Xed-3
vba32Virus.Win32.Luder.A
V-BusterWorm.Loveletter.Gen (mutant)

Other brands and names may be claimed as the property of others.


ActivitiesRisk Levels
Attempts to send email messagesMedium
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaVBS/LoveLetter@MM
McAfee SupportedVBS/LoveLetter@MM



System Changes

Some path values have been replaced with environment variables as the exact location may vary with different configurations.
e.g.
%WINDIR% = \WINDOWS (Windows 9x/ME/XP/Vista/7), \WINNT (Windows NT/2000)
%PROGRAMFILES% = \Program Files


The following files were analyzed:

2919B88D50FB22CD6D374B06518393EEFD3FE51D

The following files have been added to the system:

  • %COMMONPROGRAMFILES%\Microsoft Shared\DW\iyaibyqya.jqi
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\rqqjyzbzb.yqq
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\arabriazz.zar
  • %PROGRAMFILES%\MSN\MSNCoreFiles\Setup\rqqjyzbzb.yqqjqi
  • %PROGRAMFILES%\MSN\MSNCoreFiles\arizarrrz.iiibyqya.jqi
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\arizarrrz.iii
  • %PROGRAMFILES%\MSN\MSNCoreFiles\jbyjzbyja.yayzb.yqqjqi
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\rqqjyzbzb.yqq
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\ibyqabijr.azy
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\arabriazz.zar
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\rqqjyzbzb.yqq
  • %PROGRAMFILES%\Windows NT\arabriazz.zar
  • C:\arabriazz.zar
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\rrqyrabrr.ara
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\iyaibyqya.jqi
  • %COMMONPROGRAMFILES%\Adobe\Updater6\ibyqabijr.azy
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\arizarrrz.iii
  • %PROGRAMFILES%\MSN\MSNCoreFiles\aqjjrrzqy.jaabyqya.jqi
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\jbyjzbyja.yay
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\rrqyrabrr.ara
  • C:\rrqyrabrr.ara
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\iyaibyqya.jqi
  • C:\ibyqabijr.azy
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\rqqjyzbzb.yqq
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\arabriazz.zar
  • C:\aqjjrrzqy.jaa
  • %TEMP%\jqqrbr.yqq
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\arizarrrz.iii
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\rrqyrabrr.ara
  • %WINDIR%\Microsoft.NET\Framework\rrqyrabrr.ara
  • %PROGRAMFILES%\Messenger\iyaibyqya.jqi
  • C:\arizarrrz.iii
  • %WINDIR%\ehome\jbyjzbyja.yay
  • %PROGRAMFILES%\MSN\MSNCoreFiles\rrqyrabrr.arabyqya.jqi
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\iyaibyqya.jqi
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\jbyjzbyja.yay
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\aqjjrrzqy.jaa
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\aqjjrrzqy.jaa
  • C:\jbyjzbyja.yay
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\ibyqabijr.azy
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\aqjjrrzqy.jaa
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\arabriazz.zar
  • C:\rqqjyzbzb.yqq
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\jbyjzbyja.yay
  • %WINDIR%\xwrm.exe
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\rrqyrabrr.ara
  • C:\iyaibyqya.jqi
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\arabriazz.zar
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\iyaibyqya.jqi
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\ibyqabijr.azy

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\X32X = %WINDIR%\xwrm.exe

E-mails Sent:
To: (Varies, the following have been observed)

  • Reads email addresses from Email Lists
  • cpxlate@[Domain Removed]
  • user1@Attempts to send emails to local domains
  • tjh@[Domain Removed]
  • eay@[Domain Removed]
  • openssl-core@[Domain Removed]

From: (Varies, the following have been observed)

  • ayarab@Attempts to send emails to local domains
  • ayarab@[Domain Removed]
  • Staff@Attempts to send emails to local domains
  • Management@[Domain Removed]
  • Staff@[Domain Removed]
  • rrzqyj@[Domain Removed]
  • rrzqyj@Attempts to send emails to local domains
  • Management@Attempts to send emails to local domains

Sender Name: (Varies, the following have been observed)

  • To: Reads email addresses from Email Lists Subject:My heart MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rqyrabrrararqqjyzbzbyqqjbyjzbyj" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit My love, I have tried with all my being to grasp a form comparable to thine own, but nothing seems worthy; --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: application/*****
  • To: cpxlate@[Domain Removed] Subject:My heart MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rqyrabrrararqqjyzbzbyqqjbyjzbyj" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit My love, I have tried with all my being to grasp a form comparable to thine own, but nothing seems worthy; --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: application/*****
  • To: user1@Attempts to send emails to local domains Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="yaibyqyajqiaqjjrrzqyjaaarizarrr" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The server could not fully receive an email message which someone trying to send you. The incomplete message has been added as attachment. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: application/*****
  • To: tjh@[Domain Removed] Subject:Mail delivery failure MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rizarrrziiirrqyrabrrararqqjyzbz" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit Error 569: Mail delivery failure. The email message has been added to the attachments. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: application/*****
  • To: cpxlate@[Domain Removed] Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="yaibyqyajqiaqjjrrzqyjaaarizarrr" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The server could not fully receive an email message which someone trying to send you. The incomplete message has been added as attachment. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: application/*****
  • To: Reads email addresses from Email Lists Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="byjzbyjayayarabriazzzaribyqabij" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --byjzbyjayayarabriazzzaribyqabij Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The message cannot be represented in 7-bit ASCII encoding and has been sent as a binary attachment. --byjzbyjayayarabriazzzaribyqabij Content-Type: application/*****
  • To: tjh@[Domain Removed] Subject:A kiss for a smile MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="zzzaribyqabijrazyiyaibyqyajqiaq" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit I know now why Shakespeare could not compare his love to a summer?s day. It would be a crime to denounce the beauty of such a creature as thee, to simply cast away the precision God had placed in forging you. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: application/*****
  • To: cpxlate@[Domain Removed] Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="byjzbyjayayarabriazzzaribyqabij" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --byjzbyjayayarabriazzzaribyqabij Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The message cannot be represented in 7-bit ASCII encoding and has been sent as a binary attachment. --byjzbyjayayarabriazzzaribyqabij Content-Type: application/*****
  • To: eay@[Domain Removed] Subject:My heart MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rqyrabrrararqqjyzbzbyqqjbyjzbyj" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit My love, I have tried with all my being to grasp a form comparable to thine own, but nothing seems worthy; --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: application/*****
  • To: cpxlate@[Domain Removed] Subject:Mail delivery failure MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rizarrrziiirrqyrabrrararqqjyzbz" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit Error 569: Mail delivery failure. The email message has been added to the attachments. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: application/*****
  • To: openssl-core@[Domain Removed] Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="yaibyqyajqiaqjjrrzqyjaaarizarrr" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The server could not fully receive an email message which someone trying to send you. The incomplete message has been added as attachment. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: application/*****
  • To: Reads email addresses from Email Lists Subject:A kiss for a smile MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="zzzaribyqabijrazyiyaibyqyajqiaq" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit I know now why Shakespeare could not compare his love to a summer?s day. It would be a crime to denounce the beauty of such a creature as thee, to simply cast away the precision God had placed in forging you. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: application/*****
  • To: user1@Attempts to send emails to local domains Subject:My heart MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rqyrabrrararqqjyzbzbyqqjbyjzbyj" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit My love, I have tried with all my being to grasp a form comparable to thine own, but nothing seems worthy; --rqyrabrrararqqjyzbzbyqqjbyjzbyj Content-Type: application/*****
  • To: user1@Attempts to send emails to local domains Subject:Mail delivery failure MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="rizarrrziiirrqyrabrrararqqjyzbz" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit Error 569: Mail delivery failure. The email message has been added to the attachments. --rizarrrziiirrqyrabrrararqqjyzbz Content-Type: application/*****
  • To: cpxlate@[Domain Removed] Subject:A kiss for a smile MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="zzzaribyqabijrazyiyaibyqyajqiaq" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit I know now why Shakespeare could not compare his love to a summer?s day. It would be a crime to denounce the beauty of such a creature as thee, to simply cast away the precision God had placed in forging you. --zzzaribyqabijrazyiyaibyqyajqiaq Content-Type: application/*****
  • To: Reads email addresses from Email Lists Subject:Error receiving mail MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="yaibyqyajqiaqjjrrzqyjaaarizarrr" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: text/plain; charset="windows-1255" Content-Transfer-Encoding: 7bit The server could not fully receive an email message which someone trying to send you. The incomplete message has been added as attachment. --yaibyqyajqiaqjjrrzqyjaaarizarrr Content-Type: application/*****

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

Removal

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

Variants