Virus:Worm/Recycled.A
Date discovered:11/12/2008
Type:Worm
In the wild:No
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:13824 Bytes
MD5 checksum:23e7f5e4fd224edcf124fa39e76e3f24
VDF version:7.00.04.201
IVDF version:7.00.04.205 - Tuesday, June 17, 2008

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Symantec: Win32/Hamweq.A
   •  Mcafee: DDoS-Leba
   •  Kaspersky: IRC-Worm.Win32.Small.t
   •  F-Secure: IRC-Worm.Win32.Small.t
   •  Sophos: W32/Autoham-Fam
   •  Grisoft: Worm/Generic.HGW
   •  Eset: Win32/AutoRun.KS
   •  Bitdefender: Backdoor.Agent.ZKX


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


Side effects:
   • Drops a file
   • Registry modification
   • Third party control

 Files It copies itself to the following location:
   • c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\winse32.exe



It creates the following directory:
   • c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013



The following file is created:

– c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini This is a non malicious text file with the following content:
   • [.ShellClassInfo]
     CLSID={645FF040-5081-101B-9F08-00AA002F954E}

 Registry The following registry key is added:

– [HKLM\Software\Microsoft\Active Setup\Installed Components\
   {28ABC5C0-4FCB-11CF-AAX5-81CX1C635612}]
   • StubPath="c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\winse32.exe"

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

Server: hail.dns2go.**********
Port: 7000
Server password: 01470147
Nickname: mtnelf

Server: scorti1.dns2go.**********
Port: 7000
Server password: 01470147
Nickname: mtnelf


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

 Injection – It injects itself into a process.

    All of the following processes:
   • firefox.exe
   • explorer.exe


 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 Monica Ghitun on Thursday, December 11, 2008
Description updated by Monica Ghitun on Wednesday, December 17, 2008

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