Virus Profile: Generic PWS.y!66A0C4E3F5FB

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 2/5/2014
Date Added: 2/5/2014
Origin: Unknown
Length: 501760
Type: Trojan
Subtype: -
DAT Required: 7339
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 DetectionGeneric PWS.y
Length501760 bytes
MD566a0c4e3f5fbfb925f4e1c4237a41b3e
SHA1a2121b04b839baaa9f74282b2394c509226ec8bc


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Malware-gen
aviraTR/Dropper.Gen
KasperskyTrojan-Spy.MSIL.KeyLogger.agpc
FortiNetW32/KeyLogger.AGPC!tr
SymantecInfostealer.Limitail
EsetMSIL/PSW.Agent.NUM trojan
SophosMal/MSIL-HI

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


ActivitiesRisk Levels
Enumerates many system files and directories.Low
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaGeneric PWS.y
McAfee SupportedGeneric PWS.y



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:

A2121B04B839BAAA9F74282B2394C509226EC8BC

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\A2121B04B839BAAA9F74282B2394C509226EC8BC\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\A2121B04B839BAAA9F74282B2394C509226EC8BC\DEBUG\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\HKLLH = %APPDATA%\jkgkjgk\hjkgg.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\ESENT\PROCESS\A2121B04B839BAAA9F74282B2394C509226EC8BC\DEBUG\TRACE LEVEL
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYCOUNT = 16
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\CATEGORYMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\EVENTMESSAGEFILE = %WINDIR%\SYSTEM32\ESENT.dll
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\EVENTLOG\APPLICATION\ESENT\TYPESSUPPORTED = 7

The applications attempted the following network connection(s):

  • 46.105.198.**:80
  • 77.72.80.**:80
  • 173.194.79.***:587

   

Please use the following instructions for all supported versions of Windows:


1. Disable Windows System Restore. For instructions, please refer to: https://www.mcafee.com/us/downloads/free-tools/disabling-system-restore.aspx

2. Update your McAfee Anti-Virus product to the latest version (when possible), and ensure the latest DAT and Engine and any applicable EXTRA.DATs are installed.

3. Run a full system scan. (On-Demand Scan)

4. Reboot, as soon as it is convenient, to ensure all malicious components are removed.

   

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