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Generic.dx!uiv!025C02​C2CCA5

This page shows details and results of our analysis on the malware Generic.dx!uiv!025C02C2CCA5

Threat Detail

Malware Type: Trojan

Malware Sub-type: N/A

Discovery Date: 2010-10-19

Next Steps:

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 DAT

N/A

Updated DAT

N/A

 Minimum Engine

5400.1158

File Length

133120

 Description Added

2010-10-19

Description Modified

2010-10-19

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric.dx!uiv
Length133120 bytes
MD5025c02c2cca5838f5334fc5c8765ef81
SHA1beba0603a4c680d58f5de1df27b3cc5f6722aee4


Other Common Detection Aliases

Company NamesDetection Names
Microsofttrojan:win32/cameobe.a
Eseta variant of Win32/Kryptik.HGJ
SophosMal/Zbot-AR

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


ActivitiesRisk Levels
Attempts to modify the hosts file. This could be used to map hostnames different IP addresses redirecting traffic to an alternate location.High
Enumerates process listLow
No digital signature is presentInformational



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:

cac9.tmp

The following files have been added to the system:

  • %WINDIR%\SYSTEM32\winamnc_backup.dll
  • %WINDIR%\SYSTEM32\pcre3.dll
  • %TEMP%\_TP8.tmp
  • %TEMP%\_TU5.tmp
  • %WINDIR%\SYSTEM32\windump.exe
  • %WINDIR%\SYSTEM32\drivers\etc\hosts
  • %TEMP%\_OR7.tmp
  • %TEMP%\_OR6.tmp
  • %WINDIR%\SYSTEM32\mcafeemn.dll
  • %USERPROFILE%\Local Settings\Application Data\Adobe updater\mph.dll
The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\PHOST\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DOMAINS\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\NOTEPAD\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\PHOST\
  • HKEY_USERS\.DEFAULT\SOFTWARE\MICROSOFT\BACKUP DUMPER\
  • HKEY_USERS\.DEFAULT\SOFTWARE\MICROSOFT\PHOST\
The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\NOTEPAD\Y-GIZFY75O = nCsA5J4GxDNTngq1nJsinCb
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\PHOST\ID = 2372120469
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\SHARED\CDT43IC8SO = tachSazfrqxfkdfvkqGfS2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\ADOBE CLEANUP = rundll32.exe "%USERPROFILE%\Local Settings\Application Data\Adobe updater\mph.dll", StartProt
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DOMAINS\SEARCH.YAHOO.COM = 74.6.117.48
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DOMAINS\WWW.BING.COM = 208.187.212.150
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\DOMAINS\WWW.GOOGLE.COM = 74.125.127.105
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\NOTEPAD\4FXA0PVHRF5 = 47hSUu3nwbZPYX1JBPVu0Fu7531c6FGsKFXdxkUq04
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\PHOST\KEYWORDS = ^GET\s\/(search)\?.*?q=[^&\r]+.*?\r\n(.+?\r\n)*?Host:\swww\.bing\.com\r\n(.+?\r\n)*?\r\n^GET\s\/(search|webhp)\?.*?q=[^&\r]+.*?\r\n(.+?\r\n)*?Host:\swww\.google\.[a-z\.]{2,6}\r\n(.+?\r\n)*?\r\n^GET\s\/(search)(\?|\;).*?p=[^&\r]+.*?\r\n(.+?\r\n)*?Host:\s[a-z\.]*?search\.yahoo\.com\r\n(.+?\r\n)*?\r\n^GET\s\/(web)\?.*?q=[^&\r]+.*?\r\n(.+?\r\n)*?Host:\s[a-z\.]+?ask\.com\r\n(.+?\r\n)*?\r\n^GET\s\/\s.*?\r\n(.+?\r\n)*?Host:\swww\.aport\.ru\r\n^GET\s\/\s.*?\r\n(.+?\r\n)*?Host:\s[a-z\.]+?yandex\.[a-z]{1,3}\r\n(.+?\r\n)*?\r\n
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINDOWS\APPINIT_DLLS = %WINDIR%\SYSTEM32\mcafeemn.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\ADOBE PRODUCTS UPDATER = rundll32.exe "%USERPROFILE%\Local Settings\Application Data\Adobe updater\mph.dll", StartProt
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\CONTROL\SESSION MANAGER\PENDINGFILERENAMEOPERATIONS = \??\%TEMP%\_OR6.tmp
  • HKEY_USERS\.DEFAULT\SOFTWARE\MICROSOFT\BACKUP DUMPER\LASTERROR = [binary data]
  • HKEY_USERS\.DEFAULT\SOFTWARE\MICROSOFT\PHOST\ID = 2372120469
The applications attempted the following network connection(s):

  • 89.149.228.***:81
  • hxxp://89.149.228.199:81/u1/*****

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

United States - English