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Virus Profile: Generic.bfr!D7730536132C

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 6/1/2012
Date Added: 6/1/2012
Origin: Unknown
Length: 99328
Type: Trojan
Subtype: -
DAT Required: 6729
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.yh
Length99328 bytes
MD5d7730536132c969db9ce771e4f3767d4
SHA1d4acc33db640bc49f022b7bf362c15e6b7a2c558


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin32/Kashu.E
avastWin32:Sality
AVG (GriSoft)Generic_r.AIP
aviraW32/Sality.AT
KasperskyVirus.Win32.Sality.bh
BitDefenderWin32.Sality.3
clamavTrojan.Small-9681
Dr.WebWin32.Sector.22
eSafe (Alladin)Suspicious file
FortiNetW32/Agent.ABC!tr
MicrosoftVirus:Win32/Sality.AT
SymantecW32.Sality.AE
EsetWin32/Sality.NBE
normanw32/sality.bm
pandaW32/Sality.AA
risingTrojan.Win32.Fednu.cua
SophosTroj/SalLoad-C
Trend MicroPE_SALITY.ER-O
vba32Virus.Win32.Sality.bakb
Vet (Computer Associates)Win32/Small.AEL!genus

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


ActivitiesRisk Levels
Attempts to load and execute remote code in explorer processHigh
Modifies Windows security center settings.High
Attempts to create Autorun.inf configuration files on accessible drives that instructs Windows operating systems to run a file when the disk is connected.High
Adds or modifies system policies. Could be used to prevent the or detour the use of common system tools.High
Attempts to write to a memory location of a protected process.High
Attempts to write instructions that detour an existing code path of a previously loaded process.High
Attempts to write to a memory location of a Windows system processHigh
Attempts to load and execute remote code in a previously loaded processMedium
Modifies Windows explorer file browser's Advanced settings. Sometimes used by malware to make executable files look like documents.Medium
Modifies Windows firewall settings.Medium
Adds or modifies a system service.Low
Enumerates many system files and directories.Low
Enumerates process listLow
No digital signature is presentInformational


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



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:

d4acc33db640bc49f022b7bf362c15e6b7a2c558

The following files have been added to the system:

  • C:\autorun.inf
  • %TEMP%\17B44C.dmp
  • %TEMP%\WER1D.tmp
  • C:\ukim.pif
  • %TEMP%\WER1D.tmp.dir00\appcompat.txt
The following files have been changed:

  • %PROGRAMFILES%\winrar\winrar.exe
  • %WINDIR%\system.ini
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\Reader_sl.exe
  • c:\Users exe File.exe
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\AdobeARM.exe
  • %WINDIR%\SYSTEM32\notepad.exe
The following files were temporarily written to disk then later removed:

  • %TEMP%\winnpot.exe
  • %TEMP%\wingxhaas.exe
  • %WINDIR%\172fe9
  • %TEMP%\winmvnhy.exe
  • %WINDIR%\17ae22
  • %TEMP%\dysqwl.exe
The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\
The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\A1_0
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\A2_0
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\A3_0
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\A4_0
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\[private subnet] = 0
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\-1514827516 = 30
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\1768776769 = 6
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\2022726022 = 0200687474703A2F2F7061647275702E636F6D2F736F62616B612E6173707800687474703A2F2F6B756B75312E696E666F696572
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\253949253 = 53
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\-503464505 = 1519366336C4A0DDE0EBDC850D345A732A7145007E36BB062360592997B4E4C5B3A8B6A196AE4[private subnet]C9F820421BC91479242751D90F03FAE7F8C7BBCAEE7E0A7391C7E84B6841DFF1E193846BFE19D03C62E98415DC0CD9568E407E81F932786D981A643800AB33306C34B49ED88242E384D2A2A167083C6ABCA7FA939BD90F7A15E835A3A709D44E17BF3B5F05E269D40C817B08D39770D15BBFCDCC45EFF8BC291752B5246B8B9BAA8268127602ED68E8ED811B8DADB8461F527323BB96D45A38ECD60F019DD87CB13AA4CCE12CA855BB3024A2DEA2968678134DA151837B1BAB18F2846C1F13F4EA33EE11E6E6E81671BCB2E17FD1CAED5C870BCCE8
  • HKEY_CURRENT_USER\SOFTWARE\FOBVEXLLMTQKQ\-993627007\-757413758 = 0
  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED\HIDDEN = 2
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\ANTIVIRUSDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\ANTIVIRUSOVERRIDE = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\FIREWALLDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\FIREWALLOVERRIDE = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\UACDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\UPDATESDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\ANTIVIRUSDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\ANTIVIRUSOVERRIDE = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\FIREWALLDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\FIREWALLOVERRIDE = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\UACDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\SECURITY CENTER\SVC\UPDATESDISABLENOTIFY = 1
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\SYSTEM\ENABLELUA = 0
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\DISABLENOTIFICATIONS = 1
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\DONOTALLOWEXCEPTIONS = 0
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\ENABLEFIREWALL = 0
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet\SERVICES\SHAREDACCESS\PARAMETERS\FIREWALLPOLICY\STANDARDPROFILE\AUTHORIZEDAPPLICATIONS\LIST\%TEMP%\D4ACC33DB640BC49F022B7BF362C15E6B7A2C558 = %TEMP%\d4acc33db640bc49f022b7bf362c15e6b7a2c558:*:Enabled:ipsec
   

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.