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Virus Profile: Generic PWS.y!76163354EED5

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 12/19/2013
Date Added: 12/19/2013
Origin: Unknown
Length: 77625
Type: Trojan
Subtype: -
DAT Required: 7293
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
Length77625 bytes
MD576163354eed58a957f8074bac8cad4c7
SHA14133687451892993cef8e47775f9bc476e7eb28d


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareGen:Variant.Graftor.124955 (B)
ahnlabTrojan/Win32.Tepfer
avastWin32:Rootkit-gen [Rtk]
AVG (GriSoft)Inject2.LSU
aviraTR/Graftor.124955
KasperskyTrojan-PSW.Win32.Tepfer.sxgz
Dr.WebTrojan.DownLoader4.56756
FortiNetW32/Tobor.M!tr.dldr
SymantecTrojan Horse
EsetWin32/Glupteba.M
risingPE:Malware.Obscure/Huer!1.9E03

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
Enumerates process listLow
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 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:

4133687451892993CEF8E47775F9BC476E7EB28D

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\NVIDIA CORPORATION\
  • HKEY_CURRENT_USER\SOFTWARE\NVIDIA CORPORATION\GLOBAL\
  • HKEY_CURRENT_USER\SOFTWARE\NVIDIA CORPORATION\GLOBAL\NVUPDSRV\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\NVIDIA CORPORATION\GLOBAL\NVUPDSRV\GUID = 0fd2267d-7626-4f41-a3e7-adf78c1f6637
  • HKEY_CURRENT_USER\SOFTWARE\NVIDIA CORPORATION\GLOBAL\NVUPDSRV\VALUE = 20131202

The applications attempted the following network connection(s):

  • 91.250.83.**:8000
  • 5.79.64.***:8000
  • 37.128.190.**:8000
  • 46.32.255.***:8000
  • 80.91.80.***:8000
  • 109.104.94.*:8000
  • 81.169.187.***:8000
  • 94.23.48.***:8000
  • 37.58.73.**:8000
  • 188.64.188.***:8000
  • 83.142.191.**:8000
  • 89.248.90.***:8000
  • 91.121.84.***:8000
  • 109.75.165.***:8000
  • 109.205.137.***:8000
  • 178.21.9.**:8000
  • 213.5.180.***:8000
  • 91.203.69.**:8000
  • 46.29.21.***:8000
  • 195.12.48.***:8000
  • 77.72.24.***:8000
  • 91.121.148.***:8000
  • 178.32.62.*:8000
  • 31.3.101.**:8000
  • 178.60.205.***:8000
  • 37.187.95.**:8000

   

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


1. Disable Windows System Restore. For instructions, please refer to: http://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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