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Worm.Win32.Bybz.ddw

Posted: November 22, 2010

Worm.Win32.Bybz.ddw is a network-aware worm that attempts to replicate across an existing network. Worm.Win32.Bybz.ddw can also spread using Windows networking APIs, MAPI functions or email clients such as Microsoft Outlook. Worm.Win32.Bybz.ddw often creates unknown email messages which contains a harmful spyware program and sometimes attaches itself to outgoing email messages. Worm.Win32.Bybz.ddw also uses a misleading message which suggests that the recipient should open the attachment to see something interesting or important. Worm.Win32.Bybz.ddw should not be allowed to spread and must be removed from the infected system immediately.

Aliases

Worm:Win32/Autorun.ZH (Microsoft)
Worm.Win32.Bybz (Ikarus)

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %AppData%\Microsoft\svchost.exe

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run][HKEY_CURRENT_USER\Software\NMH!Tqsfbejoh]
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