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Virus Profile: RDN/Sdbot.worm!DE93535DEC1C

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 3/26/2013
Date Added: 3/27/2013
Origin: Unknown
Length: 375808
Type: Virus
Subtype: Worm
DAT Required: 7025
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 DetectionRDN/Sdbot.worm
Length375808 bytes
MD5de93535dec1cbacfa08bfd3a5a160c4d
SHA1019e30281c11d78f97cefe81677e8b0bf401af6a


Other Common Detection Aliases

Company NamesDetection Names
AVG (GriSoft)BackDoor.Generic16.CADQ
KasperskyTrojan.Win32.Jorik.IRCbot.wyf
clamavPUA.Win32.Packer.SetupExeSection
Dr.WebTrojan.Packed.23963
FortiNetW32/Jorik_IRCbot.WYF!tr
pandaSuspicious

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


ActivitiesRisk Levels
Attempts to write to a memory location of a previously loaded process.Medium
Enumerates many system files and directories.Low
Process attempts to call itself recursivelyLow
No digital signature is presentInformational


McAfee ScansScan Detections
McAfee BetaRDN/Sdbot.worm
McAfee SupportedRDN/Sdbot.worm



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:

019E30281C11D78F97CEFE81677E8B0BF401AF6A

The following files have been added to the system:

  • %USERPROFILE%\Local Settings\Application Data\GDIPFONTCACHEV1.DAT
  • %TEMP%\AppLaunch\ReaderX.exe

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

  • %TEMP%\cxme3y8o.cmdline
  • %TEMP%\cxme3y8o.dll
  • %TEMP%\cxme3y8o.0.vb
  • %TEMP%\cxme3y8o.err
  • %TEMP%\vbcE.tmp
  • %TEMP%\cxme3y8o.out
  • %TEMP%\cxme3y8o.tmp
  • %TEMP%\RESF.tmp

The following registry elements have been created:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWSNT\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWSNT\CURRENTVERSION\
  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWSNT\CURRENTVERSION\SYSTEMRESTORE\

The following registry elements have been changed:

  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWSNT\CURRENTVERSION\SYSTEMRESTORE\DISABLESR = "1"

The applications attempted the following network connection(s):

  • 37.221.170.***:2967

   

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.