Generic PWS.y!4736BE47B6C9

This page shows details and results of our analysis on the malware Generic PWS.y!4736BE47B6C9

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 Engine

5600.1067

File Length

53248

Description Added

2013-09-12

Description Modified

2013-09-12

Malware Proliferation

Characteristics

This is a Trojan

File PropertiesProperty Values
McAfee DetectionGeneric PWS.y
Length53248 bytes
MD54736be47b6c9c0b4676407c86f071ec7
SHA15830e7e5ff5ed50d306446a8066ae375b25b04e8


Other Common Detection Aliases

Company NamesDetection Names
avastMSIL:Agent-YW [Trj]
AVG (GriSoft)PSW.ILSpy
aviraTR/Spy.Gen8
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Barys.12764
F-ProtW32/MSIL_Troj.AP.gen!Eldorado
FortiNetMSIL/Agent.PPQ!tr
MicrosoftBackdoor:MSIL/Bladabindi.AA
EsetMSIL/Bladabindi.O trojan (variant)
normanBladabindi.D
pandaGeneric Malware
Trend MicroTROJ_GEN.R01VC0DI613

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
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:

5830E7E5FF5ED50D306446A8066AE375B25B04E8

The following files have been added to the system:

  • %USERPROFILE%\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe
  • %TEMP%\Trojan.exe
  • %TEMP%\Trojan.exe.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\5CD8F17F4086744065EB0992A09E05A2\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\ENVIRONMENT\SEE_MASK_NOZONECHECKS = 49
  • HKEY_CURRENT_USER\SOFTWARE\5CD8F17F4086744065EB0992A09E05A2\US = 64
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\5CD8F17F4086744065EB0992A09E05A2 = "%TEMP%\Trojan.exe" ..
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\5CD8F17F4086744065EB0992A09E05A2 = "%TEMP%\Trojan.exe" ..

The applications attempted the following network connection(s):

  • 37.200.253.***:1177

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

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.

Variants