Virus Profile: Vundo.gen.ax!CAE009DB9A8A

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/18/2012
Date Added: 3/18/2012
Origin: Unknown
Length: 45568
Type: Trojan
Subtype: Generic
DAT Required: 6653
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionVundo.gen.ax
Length45568 bytes
MD5cae009db9a8a36d213b8213ea9ff70f2
SHA18f25a0495163d9a222386aea4cc22289a676690a


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin-Trojan/Agent.45568.GC
avastWin32:Trojan-gen
AVG (GriSoft)Agent_r.FJ
aviraTR/Crypt.XPACK.Gen2
KasperskyBackdoor.Win32.Agent.aawp
BitDefenderTrojan.Generic.4720363
Dr.WebTrojan.Packed.338
eSafe (Alladin)Suspicious file
F-ProtW32/MalwareS.BGGH
FortiNetW32/Vundo!tr
MicrosoftTrojan:Win32/Vundo.gen!AN
SymantecBackdoor.Trojan
EsetWin32/Small.NEB
normantibs.daqt
pandaGeneric Trojan
risingTrojan.Win32.Generic.122E0072
SophosTroj/Virtum-Gen
Trend MicroMal_Vundo-5
V-BusterBackdoor.Agent.GUUT
Vet (Computer Associates)Win32/Vundo.BYX

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


ActivitiesRisk Levels
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaVundo.gen.ax
McAfee SupportedVundo.gen.ax



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:

8f25a0495163d9a222386aea4cc22289a676690a

The following files have been added to the system:

  • %TEMP%\_A00F3175DD.exe
  • %WINDIR%\SYSTEM32\__c00DB099.dat

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

  • %TEMP%\8f25a0495163d9a222386aea4cc22289a676690a.dat

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\A00F3175DD.EXE = %TEMP%\_A00F3175DD.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\ASYNCHRONOUS = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\DLLNAME = %WINDIR%\SYSTEM32\__c00DB099.dat
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\IMPERSONATE = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\LOGON = 66
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\WINLOGON\NOTIFY\__C00DB099\STARTUP = 66

   

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.

   

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