Virus Profile: Generic PWS.y!1xz!4B891C3E35FF

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 1/16/2013
Date Added: 1/16/2013
Origin: Unknown
Length: 69632
Type: Trojan
Subtype: -
DAT Required: 6957
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!1xz
Length69632 bytes
MD54b891c3e35ff3509e5323a7375b7fc4f
SHA18ca050f66490daa7fadbd35c916b8a3f102401e8


Other Common Detection Aliases

Company NamesDetection Names
avastWin32:Malware-gen
AVG (GriSoft)Generic18.SZ
aviraTR/Dropper.Gen
KasperskyTrojan-Spy.Win32.VB.cut
BitDefenderGen:Trojan.Heur.VP.em0@aCUCzIci
clamavPUA.Win32.Packer.SetupExeSection
Dr.WebTrojan.Siggen3.55214
FortiNetW32/VBObfus.C!tr
SymantecTrojan.Gen
EsetWin32/Spy.KeyLogger.NTU trojan (variant)
normanW32/Troj_Generic.BQLRX
SophosTroj/VB-EUS
vba32Trojan.VBRA.0966
V-BusterTrojanSpy.VB!YqaGhNC2hhQ (trojan)

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


ActivitiesRisk Levels
Attempts to write to a memory location of a protected process.High
Attempts to write to a memory location of a Windows system processHigh
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!1xz
McAfee SupportedGeneric PWS.y!1xz



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:

8CA050F66490DAA7FADBD35C916B8A3F[private subnet]

The following files have been added to the system:

  • %APPDATA%\svchost.exe
  • %TEMP%\8CA050F66490DAA7FADBD35C916B8A3F[private subnet].exe

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

  • %WINDIR%\log.txt
  • %TEMP%\TarF.tmp
  • %TEMP%\CabE.tmp

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\IDENTITIES\IDENTITY ORDINAL = 2
  • HKEY_CURRENT_USER\IDENTITIES\LAST USER ID = {D47E487F-702B-475C-B6B6-EF78A72CD682}
  • HKEY_CURRENT_USER\IDENTITIES\LAST USERNAME = Main Identity
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\DEFAULT LDAP ACCOUNT = Active Directory GC
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\SERVER ID = 4
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ASSOCIATEDID = [binary data]
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\PRECONFIGVER = 4
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\PRECONFIGVERNTDS = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\ACCOUNT NAME = Active Directory
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP AUTHENTICATION = 2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP BIND DN = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP PORT = 3268
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP RESOLVE FLAG = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SEARCH BASE = NULL
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SEARCH RETURN = 100
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SECURE CONNECTION = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SERVER = NULL
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SERVER ID = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP SIMPLE SEARCH = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP TIMEOUT = 60
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\ACTIVE DIRECTORY GC\LDAP USER NAME = NULL
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\ACCOUNT NAME = Bigfoot Internet Directory Service
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP AUTHENTICATION = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP LOGO = %COMMONPROGRAMFILES%\Services\bigfoot.bmp
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP SEARCH RETURN = 100
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP SERVER = ldap.bigfoot.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP SERVER ID = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP SIMPLE SEARCH = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP TIMEOUT = 60
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\BIGFOOT\LDAP URL = http://www.bigfoot.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\ACCOUNT NAME = VeriSign Internet Directory Service
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP AUTHENTICATION = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP LOGO = %COMMONPROGRAMFILES%\Services\verisign.bmp
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP SEARCH BASE = NULL
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP SEARCH RETURN = 100
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP SERVER = directory.verisign.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP SERVER ID = 2
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP SIMPLE SEARCH = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP TIMEOUT = 60
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\VERISIGN\LDAP URL = http://www.verisign.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\ACCOUNT NAME = WhoWhere Internet Directory Service
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP AUTHENTICATION = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP LOGO = %COMMONPROGRAMFILES%\Services\whowhere.bmp
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP SEARCH RETURN = 100
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP SERVER = ldap.whowhere.com
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP SERVER ID = 3
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP SIMPLE SEARCH = 1
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP TIMEOUT = 60
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET ACCOUNT MANAGER\ACCOUNTS\WHOWHERE\LDAP URL = http://www.whowhere.com

The applications attempted the following network connection(s):

  • 173.194.79.***:465

   

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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