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Virus Profile: VBS/LoveLetter@MM!1A1EDFDEC113

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 5/24/2013
Date Added: 5/24/2013
Origin: Unknown
Length: 45568
Type: Virus
Subtype: Script
DAT Required: 7084
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 DetectionVBS/LoveLetter@MM
Length45568 bytes
MD51a1edfdec1133870b5552a33b22d946e
SHA19e9e889985bc10c26a3c60addfb601c492248f2d


Other Common Detection Aliases

Company NamesDetection Names
EMSI SoftwareDeepScan:Generic.Malware.SIM!g.1DEB4965 (B)
ahnlabWorm/Win32.Mixor
avastWin32:Malware-gen
AVG (GriSoft)I-Worm/Luder.A
aviraWORM/Zhelatin.Gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderDeepScan:Generic.Malware.SIM!g.1DEB4965
Dr.WebTrojan.Packed.23121
F-ProtW32/Mixor.A
Microsoftvirus:win32/duel.a@mm
SymantecW32.Mixor
Eseta variant of Win32/LoveLetter.NAB
normanNetworkWorm.AOWW
pandaTrj/Genetic.gen
SophosMal/EncPk-GT
Trend MicroMal_Xed-3
vba32Virus.Win32.Luder.A
V-BusterWorm.Loveletter.Gen (mutant)

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


ActivitiesRisk Levels
Attempts to write file to shared locations.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaVBS/LoveLetter@MM
McAfee SupportedVBS/LoveLetter@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:

9E9E889985BC[private subnet]ADDFB601C492248F2D

The following files have been added to the system:

  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\iirrqyrab.rra
  • %PROGRAMFILES%\Windows NT\rrararqqj.yzb
  • C:\aaarizarr.rzi
  • %COMMONPROGRAMFILES%\Adobe\Updater6\zbyqqjbyj.zby
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\qjjrrzqyj.aaa
  • %COMMONPROGRAMFILES%\Microsoft Shared\Source Engine\rrararqqj.yzb
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\byjzbyjay.aya
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\byqabijra.zyi
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\qjjrrzqyj.aaa
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\aiyyraraa.jjr
  • %COMMONPROGRAMFILES%\Microsoft Shared\DW\jayayarab.ria
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\qziiirrqy.rab
  • %PROGRAMFILES%\MSN\MSNCoreFiles\Setup\qyjaaariz.arrria
  • %WINDIR%\ehome\iirrqyrab.rra
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\yaibyqyaj.qia
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\zyiyaibyq.yaj
  • %PROGRAMFILES%\MSN\MSNCoreFiles\yajqiaqjj.rrzyarab.ria
  • C:\byqabijra.zyi
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\qqjyzbzby.qqj
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\byqabijra.zyi
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\aribyqabi.jra
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\rziiirrqy.rab
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\yajqiaqjj.rrz
  • %PROGRAMFILES%\MSN\MSNCoreFiles\jrazyiyai.byqyarab.ria
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\rqyrabrra.rar
  • %PROGRAMFILES%\MSN\MSNCoreFiles\rziiirrqy.rabiz.arrria
  • %PROGRAMFILES%\MSN\MSNCoreFiles\zzzaribyq.abiyarab.ria
  • C:\qjjrrzqyj.aaa
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\yaibyqyaj.qia
  • C:\rqyrabrra.rar
  • %WINDIR%\Microsoft.NET\Framework\qiaqjjrrz.qyj
  • %TEMP%\rijzbi.iya
  • %PROGRAMFILES%\Messenger\jayayarab.ria
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\rarqqjyzb.zby
  • %PROGRAMFILES%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-[private subnet]-A92000000001}\bjjjjyqzz.ria
  • %WINDIR%\xwrm.exe
  • C:\rabriazzz.ari
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\aaarizarr.rzi
  • %PROGRAMFILES%\Adobe\Reader 9.0\Reader\rizarrrzi.iir
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\ayarabria.zzz
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\jayayarab.ria
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\qqjbyjzby.jay
  • C:\yaibyqyaj.qia
  • C:\zyiyaibyq.yaj
  • C:\byjzbyjay.aya
  • %COMMONPROGRAMFILES%\Adobe\ARM\1.0\aiqiyaqzr.ajz
  • %COMMONPROGRAMFILES%\Microsoft Shared\OFFICE11\qyjaaariz.arr
  • C:\qqjyzbzby.qqj
  • %WINDIR%\Installer\{901[private subnet]-11D3-8CFE-0150048383C9}\qiaqjjrrz.qyj
  • C:\yjiazjzyy.brj
  • C:\rizarrrzi.iir
  • %ALLUSERSPROFILE%\Application Data\Adobe\Reader\9.2\ARM\ARM Update\rizarrrzi.iir
  • %PROGRAMFILES%\Microsoft Office\OFFICE11\rrararqqj.yzb

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN\X32X = %WINDIR%\xwrm.exe

   

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.