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Virus Profile: W32/Cekar.dam!597565A76234

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 11/18/2012
Date Added: 11/18/2012
Origin: Unknown
Length: 76810
Type: Virus
Subtype: Win32
DAT Required: 6899
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/Cekar.dam
Length76810 bytes
MD5597565a7623478d83e07d4756e27b2ff
SHA1c71868a3f17059b3840c373c518c768d42d3794a


Other Common Detection Aliases

Company NamesDetection Names
ahnlabWin32/Cekar
AVG (GriSoft)Win32/Cekar.A
aviraW32/CEKAR.B
KasperskyVirus.Win32.Drowor.a
Dr.WebTrojan.Luall
F-ProtW32/Cekar.E
FortiNetW32/Drowor.a
Microsoftvirus:win32/drowor.a
SymantecW32.Mumawow.F!inf
EsetWin32/Drowor.C
normanvbtroj.cswx
pandaW32/Cekar.A
risingWin32.Cekar.be
SophosW32/Cekar-E
Trend MicroPE_CEKAR.SM
vba32Trojan.VB.YFS
V-BusterWin32.Drowor.Gen

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


ActivitiesRisk Levels
Attempts to launch an instance of the Windows file system explorer.Low
Enumerates many system files and directories.Low
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaW32/Cekar.dam
McAfee SupportedW32/Cekar.dam



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:

c71868a3f17059b3840c373c518c768d42d3794a

The following files have been added to the system:

  • %WINDIR%\help\tours\htmltour\safe_easy_better.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_easier.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_data_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\taskbar_up.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_built.jpg.exe
  • %WINDIR%\help\tours\htmltour\control_up.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\nextover.jpg.exe
  • %WINDIR%\help\tours\htmltour\img109.jpg.exe
  • %WINDIR%\system\SYSTEM32.vxd
  • %WINDIR%\SYSTEM32\oobe\images\mslogo.jpg.exe
  • %WINDIR%\help\tours\htmltour\img046.jpg.exe
  • C:\setup.exe
  • %WINDIR%\help\tours\htmltour\img004b.jpg.exe
  • %WINDIR%\help\tours\htmltour\img068.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\skipoff.jpg.exe
  • %WINDIR%\help\tours\htmltour\img033a.jpg.exe
  • %WINDIR%\help\tours\htmltour\img014.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_wizard_big.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\backover.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_robust_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_faster_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_secure.jpg.exe
  • %WINDIR%\help\tours\htmltour\img116.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\backup.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\oemcoa.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\skipdown.jpg.exe
  • C:\autorun.inf
  • %WINDIR%\help\tours\htmltour\connected_networks_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newmark1.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_playing_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\start_up.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newbtm1.jpg.exe
  • %WINDIR%\help\tours\htmltour\folder_up.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_easier_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\logo.jpg.exe
  • %TEMP%\~DFB93D.tmp
  • %WINDIR%\help\tours\htmltour\unlock_optimized_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\img126.jpg.exe
  • %WINDIR%\help\tours\htmltour\img149.jpg.exe
  • %WINDIR%\help\tours\htmltour\read_icon.jpg.exe
  • %WINDIR%\help\tours\htmltour\img103.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_playing_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\skipover.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_road_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_optimized_big.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\nextup.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newtop1.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_faster_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\img136.jpg.exe
  • %WINDIR%\help\tours\htmltour\img033.jpg.exe
  • %WINDIR%\help\tours\htmltour\img040.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_multiple_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_data.jpg.exe
  • %WINDIR%\help\tours\htmltour\desktop_up.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\nextoff.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_optimized.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_secure_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newmark8.jpg.exe
  • %WINDIR%\help\tours\htmltour\end_up.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\skipup.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_robust.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_playing.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_easier_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_faster.jpg.exe
  • %WINDIR%\help\tours\htmltour\intro_logo.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_data_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\img100.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newtop8.jpg.exe
  • %WINDIR%\help\tours\htmltour\img034.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_networks.jpg.exe
  • %WINDIR%\help\tours\htmltour\img060.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_road_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\backdown.jpg.exe
  • %WINDIR%\help\tours\htmltour\img074a.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_road.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\newbtm8.jpg.exe
  • %WINDIR%\help\tours\htmltour\img110.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_built_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\nextdown.jpg.exe
  • %WINDIR%\help\tours\htmltour\icon_up.jpg.exe
  • %WINDIR%\help\tours\htmltour\pen_icon.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_wizard.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_multiple.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\backoff.jpg.exe
  • %WINDIR%\help\tours\htmltour\img089.jpg.exe
  • %WINDIR%\system\internat.exe
  • %WINDIR%\help\tours\htmltour\best_secure_big.jpg.exe
  • %WINDIR%\clock.avi.exe
  • %WINDIR%\SYSTEM32\oobe\images\wpaflag.jpg.exe
  • %WINDIR%\help\tours\htmltour\img072.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_better_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\window_up.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\wpabtm.jpg.exe
  • %WINDIR%\pchealth\helpctr\system\sysinfo\graphics\greendot.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\wpatop.jpg.exe
  • %WINDIR%\help\tours\htmltour\safe_easy_better_ghost.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\wpakey.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_wizard_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\img121.jpg.exe
  • %WINDIR%\help\tours\htmltour\best_robust_ghost.jpg.exe
  • %WINDIR%\help\tours\htmltour\ul_logo.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_multiple_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\question_icon.jpg.exe
  • %WINDIR%\help\tours\htmltour\connected_networks_big.jpg.exe
  • %WINDIR%\help\tours\htmltour\desktop_screen_shot.jpg.exe
  • %WINDIR%\SYSTEM32\oobe\images\wpaback.jpg.exe
  • %WINDIR%\help\tours\htmltour\img123.jpg.exe
  • %WINDIR%\help\tours\htmltour\gradient.jpg.exe
  • %WINDIR%\help\tours\htmltour\unlock_built_big.jpg.exe

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

  • %WINDIR%\system\SYSTEM32.tmp
  • C:\_.de.bat
  • C:\_.de

The following registry elements have been created:

  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\LA\
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\LA\RUN\

The following registry elements have been changed:

  • HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\INTERNET EXPLORER\TOOLBAR\LOCKED = 1
  • HKEY_CURRENT_USER\SOFTWARE\VB AND VBA PROGRAM SETTINGS\LA\RUN\1 = 84

   

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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