Virus Profile: PWS-Zbot.gen.asy!E7FEB0A7B2CE

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 2/12/2013
Date Added: 2/12/2013
Origin: Unknown
Length: 519840
Type: Trojan
Subtype: Password Stealer
DAT Required: 6984
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 DetectionPWS-Zbot.gen.asy
Length519840 bytes
MD5e7feb0a7b2ce8b5329d79e7fa7c43204
SHA1391cd4b1f26830a42d29d8e5ce00d3d95f3eb635


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Agent-AQQL [Trj]
AVG (GriSoft)PSW.Generic10.AWKF (Trojan horse)
aviraTR/PSW.Zbot.JH.7
BitDefenderTrojan.Generic.KDZ.2072
clamavWIN.Spy.Zbot-2632
Dr.WebTrojan.PWS.Panda.3241
F-ProtW32/Zbot.GQ.gen!Eldorado
FortiNetW32/Zbot.ASY!tr
MicrosoftPWS:Win32/Zbot.gen!AK [generic]
SymantecTrojan.Zbot
EsetWin32/Kryptik.AQQQ trojan (variant)
normanKryptik.DYM
pandaTrj/Agent.MIZ
risingTrojan.Suuware!4DFA
SophosTroj/Zbot-DHM
Trend MicroTSPY_ZBOT.SM18
vba32BScope.TrojanPSW.Zbot.2716

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow


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



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:

391CD4B1F26830A42D29D8E5CE00D3D95F3EB635

The following files have been added to the system:

  • %TEMP%\34D37.dmp
  • %TEMP%\WER24.tmp
  • %APPDATA%\Korida
  • %USERPROFILE%\Local Settings\Application Data\ydun.uri
  • %TEMP%\WER24.tmp.dir00\appcompat.txt

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

  • %APPDATA%\Korida\nytouq.exe

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\ASAS\

   

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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