Virus Profile: W32/Zafi.e@MM!5FA0A5125C83

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 4/22/2013
Date Added: 4/22/2013
Origin: Unknown
Length: 15383
Type: Virus
Subtype: Win32
DAT Required: 7053
Removal Instructions
   
 
 
   

Description

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.

Indication of Infection

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

Methods 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.

   

Virus Characteristics

This is a Virus

File PropertiesProperty Values
McAfee DetectionW32/Zafi.e@MM
Length15383 bytes
MD55fa0a5125c832f83d675f391f40f508b
SHA1067187f662dd019cba462fe908c81c04a12843c8


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin32/Zafi.worm.15367
avastWin32:Zafi-E
AVG (GriSoft)I-Worm/Zafi.E
aviraWorm/Zafi.E
KasperskyEmail-Worm.Win32.Zafi.e
BitDefenderWin32.Zafi.E@mm
clamavWorm.Zafi.f
Dr.WebWin32.HLLM.Hazafi.50702
F-ProtW32/Zafi.G@mm
FortiNetW32/Zafi.e@MM
MicrosoftWorm:Win32/Zafi.E@mm
SymantecW32.Erkez.F@mm
SophosW32/Zafi-E
Trend MicroWORM_ZAFI.GEN
V-BusterI-Worm.Zafi.Gen (mutant)
Vet (Computer Associates)Win32/Zafi.E

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


ActivitiesRisk Levels
Attempts to send email messagesMedium
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
Enumerates process listLow
Adds or modifies Internet Explorer cookiesLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Zafi.e@MM
McAfee SupportedW32/Zafi.e@MM



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:

Symantec_Update-46562.exe

The following files have been added to the system:

  • %COMMONPROGRAMFILES%\Microsoft Shared\Divx Player 7.0.exe
  • %PROGRAMFILES%\Shareaza\Divx Player 7.0.exe
  • %USERPROFILE%\My Documents\My Music\Adobe Acrobat 8.0.exe
  • C:\Archivos de programa\imesh\my shared folder\Divx Player 7.0.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Startup\Adobe Acrobat 8.0.exe
  • %WINDIR%\SYSTEM32\53844805445Z.dll
  • %PROGRAMFILES%\imesh\my shared folder\Adobe Acrobat 8.0.exe
  • %PROGRAMFILES%\ICQ\Shared files\Adobe Acrobat 8.0.exe
  • %WINDIR%\SYSTEM32\config\systemprofile\Start Menu\Programs\Startup\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\20678734065Z.dll
  • C:\Archivos de programa\kazaa\my shared folder\Divx Player 7.0.exe
  • %PROGRAMFILES%\KMD\My Shared Folder\Adobe Acrobat 8.0.exe
  • %WINDIR%\SYSTEM32\04[private subnet]Z.dll
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\STARTUP\Adobe Acrobat 8.0.exe
  • %PROGRAMFILES%\limewire\Shared\Adobe Acrobat 8.0.exe
  • %WINDIR%\ime\shared\Adobe Acrobat 8.0.exe
  • %TEMP%\WER1A.tmp
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\Adobe Acrobat 8.0.exe
  • %PROGRAMFILES%\Bearshare\Adobe Acrobat 8.0.exe
  • %WINDIR%\SYSTEM32\48380021825Z.dll
  • %PROGRAMFILES%\Bearshare\Shared\Divx Player 7.0.exe
  • %PROGRAMFILES%\Morpheus\My Shared Folder\Adobe Acrobat 8.0.exe
  • C:\Archivos de programa\KaZaA Lite\My Shared Folder\Divx Player 7.0.exe
  • C:\Documents and Settings\Another User\My Documents\My Music\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\66542473035Z.dll
  • %APPDATA%\Microsoft\Word\STARTUP\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\31241144655Z.dll
  • %WINDIR%\SYSTEM32\15568474275Z.dll
  • C:\Archivos de programa\KMD\My Shared Folder\Adobe Acrobat 8.0.exe
  • C:\Archivos de programa\Morpheus\My Shared Folder\Adobe Acrobat 8.0.exe
  • %TEMP%\5AE58.dmp
  • C:\Archivos de programa\Bearshare\Shared\Divx Player 7.0.exe
  • %USERPROFILE%\Start Menu\Programs\Startup\Divx Player 7.0.exe
  • C:\Documents and Settings\Another User\Start Menu\Programs\Startup\Adobe Acrobat 8.0.exe
  • %PROGRAMFILES%\kazaa\my shared folder\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\32645503145Z.dll
  • C:\Archivos de programa\limewire\Shared\Divx Player 7.0.exe
  • %WINDIR%\PCHEALTH\UploadLB\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\55287076425Z.dll
  • C:\Archivos de programa\Bearshare\Adobe Acrobat 8.0.exe
  • C:\Archivos de programa\ICQ\Shared files\Divx Player 7.0.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Adobe Acrobat 8.0.exe
  • %PROGRAMFILES%\KaZaA Lite\My Shared Folder\Adobe Acrobat 8.0.exe
  • %WINDIR%\SYSTEM32\56464203515Z.dll
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\Divx Player 7.0.exe
  • %WINDIR%\SYSTEM32\37532801035Z.dll
  • %TEMP%\WER1A.tmp.dir00\appcompat.txt
  • C:\Archivos de programa\Shareaza\Adobe Acrobat 8.0.exe

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

  • %TEMP%\067187F662DD019CBA462FE908C81C04A12843C8

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\DF = %TEMP%\067187F662DD019CBA462FE908C81C04A12843C8
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\GD = 0
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J1 = User
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J2 = administrator@[Domain Removed]
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J5 = %WINDIR%\SYSTEM32\31241144655Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J6 = %WINDIR%\SYSTEM32\48380021825Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J7 = %WINDIR%\SYSTEM32\53844805445Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J8 = %WINDIR%\SYSTEM32\20678734065Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\J9 = %WINDIR%\SYSTEM32\66542473035Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JA = %WINDIR%\SYSTEM32\37532801035Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JB = %WINDIR%\SYSTEM32\55287076425Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JC = %WINDIR%\SYSTEM32\04[private subnet]Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JD = %WINDIR%\SYSTEM32\15568474275Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JE = %WINDIR%\SYSTEM32\32645503145Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\JF = %WINDIR%\SYSTEM32\56464203515Z.dll
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UA = %WINDIR%\regedit.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UB = %WINDIR%\TASKMAN.EXE
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UC = %WINDIR%\PCHEALTH\HELPCTR\Binaries\msconfig.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UD = %WINDIR%\ServicePackFiles\i386\msconfig.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UE = %WINDIR%\ServicePackFiles\i386\regedit.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UF = %WINDIR%\ServicePackFiles\i386\sctasks.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UG = %WINDIR%\ServicePackFiles\i386\taskmgr.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UH = %WINDIR%\SYSTEM32\regedt32.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UI = %WINDIR%\SYSTEM32\schtasks.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UJ = %WINDIR%\SYSTEM32\taskkill.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UK = %WINDIR%\SYSTEM32\tasklist.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UL = %WINDIR%\SYSTEM32\taskman.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\__ZF5\UM = %WINDIR%\SYSTEM32\taskmgr.exe
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\__ZF5 = %WINDIR%\SYSTEM32\Symantec_Update-46562.exe

The applications attempted the following network connection(s):

  • 64.4.11.**:80
  • 85.17.224.***:25

E-mails Sent:
To: (Varies, the following have been observed)

  • maye@Attempts to send emails to local domains
  • kosu@Attempts to send emails to local domains
  • user1@Attempts to send emails to local domains

From: (Varies, the following have been observed)

  • Reads email addresses from Email Lists

   

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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