PWS-Zbot.gen.ke!F3C87​815A05F

This page shows details and results of our analysis on the malware PWS-Zbot.gen.ke!F3C87815A05F

Overview

This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include e-mail, malicious or hacked Web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.


Minimum Engine

5600.1067

File Length

244761

Description Added

2013-04-02

Description Modified

2013-04-02

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionPWS-Zbot.gen.ke
Length244761 bytes
MD5f3c87815a05feb87654f2a9b6e2db663
SHA1a0347ef12e1dbb9faab408e8776ac07d0a2b973b


Other Common Detection Aliases

Company NamesDetection Names
ahnlabTrojan/Win32.Buzus
avastWin32:Kryptik-HLV
AVG (GriSoft)PSW.Generic9.BKOK
aviraTR/Krypt.hlvmna
BitDefenderGen:Variant.FakeAlert.93
clamavTrojan.Buzus-9277
Dr.WebBackDoor.IRC.ngrBot.42
F-ProtW32/Zbot.EH.gen!Eldorado
FortiNetW32/Kryptik.AL!tr
Microsoftworm:win32/dorkbot.a
SymantecTrojan.Gen
EsetWin32/Kryptik.ASJU trojan (variant)
pandaSuspicious
SophosMal/Agent-FKL
Trend MicroTROJ_GEN.R01CED1
vba32Trojan.Buzus.lahe
V-BusterTrojan.Kryptik!MtQ2AsI0/2g (trojan)
Vet (Computer Associates)Win32/Dorkbot.L!generic

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


ActivitiesRisk Levels
Attempts to load and execute remote code in explorer processHigh
Attempts to load and execute remote code in a system process.High
Attempts to write to a memory location of a protected process.High
Attempts to write to a memory location of a Windows system processHigh
Attempts to write to a memory location where winlogon residesHigh
Attempts to load and execute remote code in a previously loaded processMedium
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
Attempts to write to a memory location of an unknown processLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaPWS-Zbot.gen.ke
McAfee SupportedPWS-Zbot.gen.ke



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:

Levmvx.exe

The following files have been added to the system:

  • %TEMP%\A0347EF12E1DBB9FAAB408E8776AC07D0A2B973B

The following files have been changed:

  • %WINDIR%\SYSTEM32\catroot2\{f750e6c3-38ee-11d1-85e5-00c04fc295ee}\catdb
  • %WINDIR%\SYSTEM32\catroot2\edb.chk
  • %WINDIR%\SYSTEM32\catroot2\edb.log
  • %WINDIR%\SYSTEM32\wbem\logs\winmgmt.log
  • %WINDIR%\SYSTEM32\wbem\logs\wmiprov.log
  • %WINDIR%\SYSTEM32\catroot2\{127d0a1d-4ef2-11d1-8608-00c04fc295ee}\catdb

The following files were temporarily written to disk then later removed:

  • %WINDIR%\SYSTEM32\catroot2\tmp.edb

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.386\OPENWITHPROGIDS\VXDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIF\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIFC\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AIFF\OPENWITHPROGIDS\AIFFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ASF\OPENWITHPROGIDS\ASFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ASX\OPENWITHPROGIDS\ASXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AU\OPENWITHPROGIDS\AUFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.AVI\OPENWITHPROGIDS\AVIFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.BMP\OPENWITHPROGIDS\PAINT.PICTURE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CDA\OPENWITHPROGIDS\CDAFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CHK\OPENWITHPROGIDS\CHKFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.CSS\OPENWITHPROGIDS\CSSFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DIB\OPENWITHPROGIDS\PAINT.PICTURE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DOC\OPENWITHPROGIDS\WORD.DOCUMENT.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.DOT\OPENWITHPROGIDS\WORD.TEMPLATE.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.EMF\OPENWITHPROGIDS\EMFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.EML\OPENWITHPROGIDS\MICROSOFT INTERNET MAIL MESSAGE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.GIF\OPENWITHPROGIDS\GIFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.HTM\OPENWITHPROGIDS\HTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.HTML\OPENWITHPROGIDS\HTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ICO\OPENWITHPROGIDS\ICOFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.IVF\OPENWITHPROGIDS\IVFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JFIF\OPENWITHPROGIDS\PJPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPE\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPEG\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.JPG\OPENWITHPROGIDS\JPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.M1V\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.M3U\OPENWITHPROGIDS\M3UFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MHT\OPENWITHPROGIDS\MHTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MHTML\OPENWITHPROGIDS\MHTMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MID\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MIDI\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP2\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP2V\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MP3\OPENWITHPROGIDS\MP3FILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPA\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPE\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPEG\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPG\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.MPV2\OPENWITHPROGIDS\MPEGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.NWS\OPENWITHPROGIDS\MICROSOFT INTERNET NEWS MESSAGE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OBD\OPENWITHPROGIDS\OFFICE.BINDER.9
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OBT\OPENWITHPROGIDS\OFFICE.BINDER.TEMPLATE.9
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.OCX\OPENWITHPROGIDS\OCXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.PNG\OPENWITHPROGIDS\PNGFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.POT\OPENWITHPROGIDS\POWERPOINT.TEMPLATE.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.PPT\OPENWITHPROGIDS\POWERPOINT.SHOW.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.RMI\OPENWITHPROGIDS\MIDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.RTF\OPENWITHPROGIDS\WORD.RTF.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.SND\OPENWITHPROGIDS\AUFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TIF\OPENWITHPROGIDS\MSPAPER.DOCUMENT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TIFF\OPENWITHPROGIDS\MSPAPER.DOCUMENT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.TXT\OPENWITHPROGIDS\TXTFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.URL\OPENWITHPROGIDS\INTERNETSHORTCUT
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.VXD\OPENWITHPROGIDS\VXDFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WAV\OPENWITHPROGIDS\SOUNDREC
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WAX\OPENWITHPROGIDS\WAXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WM\OPENWITHPROGIDS\ASFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMA\OPENWITHPROGIDS\WMAFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMF\OPENWITHPROGIDS\WMFFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMV\OPENWITHPROGIDS\WMVFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WMX\OPENWITHPROGIDS\ASXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WRI\OPENWITHPROGIDS\WRIFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.WVX\OPENWITHPROGIDS\WVXFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XLS\OPENWITHPROGIDS\EXCEL.SHEET.8
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XLT\OPENWITHPROGIDS\EXCEL.TEMPLATE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XML\OPENWITHPROGIDS\XMLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.XSL\OPENWITHPROGIDS\XSLFILE
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\FILEEXTS\.ZIP\OPENWITHPROGIDS\WINRAR.ZIP
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\LEVMVX = %APPDATA%\Levmvx.exe

The applications attempted the following network connection(s):

  • hxxp://api.wipmania.com/
  • 69.43.161.***:666

Symptoms

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

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, e-mail, etc.

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