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Virus:Worm/Autorun.dcm
Date discovered:27/03/2008
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:13.824 Bytes
MD5 checksum:7e924990480D44af6a239329b2e682cb
VDF version:7.00.03.77
IVDF version:7.00.03.82 - Thursday, March 27, 2008

 General Method of propagation:
   • Mapped network drives


Aliases:
   •  Kaspersky: Worm.Win32.AutoRun.dcm
   •  F-Secure: Worm.Win32.AutoRun.dcm
   •  Grisoft: Worm/Generic.GRV
   •  Eset: Win32/AutoRun.KS
   •  Bitdefender: Win32.Worm.TQW


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops files
   • Registry modification
   • Third party control

 Files It copies itself to the following locations:
   • %recycle bin%\S-1-5-21-1482476501-1644491937-682003330-1013\isee.exe
   • %drive%:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\isee.exe



The following files are created:

– Non malicious file:
   • %recycle
      bin%
\S-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\Software\Microsoft\Active Setup\Installed Components\
   {08B0E5C0-4FCB-11CF-AAX5-81C01C608512}]
   • StubPath="%recycle bin%\S-1-5-21-1482476501-1644491937-682003330-1013\isee.exe"

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: tassweq.com
Port: 7000
Server password: trb123trb
Channel: #alhailam
Nickname: %random character string%


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • Launch DDoS SYN flood
    • Launch DDoS UDP flood
    • Join IRC channel

 Injection – It injects itself as a remote thread into a process.

    Process name:
   • EXPLORER.EXE

   If successful, the malware process terminates while the injected part remains active.

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Ana Maria Niculescu on Friday, June 13, 2008
Description updated by Andrei Gherman on Thursday, July 31, 2008

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