W32/Sality.gen.z!F1A0​33DCF1AB

This page shows details and results of our analysis on the malware W32/Sality.gen.z!F1A033DCF1AB

Overview

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.


Minimum Engine

5600.1067

File Length

843776

Description Added

2010-11-08

Description Modified

2010-11-08

Malware Proliferation

Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Sality.gen.z
Length843776 bytes
MD5f1a033dcf1abd66d0ee05b9b8d16e646
SHA11437bf61dc6c89fef478ab5c3563ea69a1e7f7ac


Other Common Detection Aliases

Company NamesDetection Names
MicrosoftVirus:Win32/Sality.AT
NormanW32/Sality.BD

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


ActivitiesRisk Levels
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 instructions that detour an existing code path of a previously loaded process.High
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
Process attempts to call itself recursivelyLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Sality.gen.z
McAfee SupportedW32/Sality.gen.z



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:

1437BF61DC6C89FEF478AB5C3563EA69A1E7F7AC

The following files have been added to the system:

  • %TEMP%\fjwjda.exe

The following files have been changed:

  • c:\Users exe File.exe

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

  • %WINDIR%\SYSTEM32\drivers\llpken.sys
  • %TEMP%\xasgy.exe

The following registry elements have been changed:

  • 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

The applications attempted the following network connection(s):

  • hxxp://barakamediaproduction.com/images/*****

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

Removal

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.

Variants