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(TR/Crypt.XPACK.Gen, Parser error, Generic.dx,, TR/Small.DBY.M.1, Backdoor:WinNT/Nuwar.A!sys, Trojan.Patched.Peed.A, Trojan.Peed.BF, Virus:Win32/Nuwar.A, Email-Worm.Win32.Zhelatin.d, Trojan.Peed.KT, W32/Nuwar.worm, TR/Small.DBY.AN.3,, TrojanDropper:Win32/Nuwar.B, Generic5.WJP, Win32.Banwarum.T@mm, Generic4.HPB, TROJ_SPAMTIBS.A, Downloader.Generic4.KGQ, W32/Dropper.gen6, Virus:Win32/Nuwar.B, Downloader.Tibs.5.BL)

Virus description added:

Size: 41 - 55 Kbytes

Affected OS: Win95/98/NT/2k/XP/2k3

Packed by: UPX

Technical information

  • It was sent as spam mailing
  • Messages, containing this given malicious program, can have the following Subject:

    Russian missle shot down Chinese satellite
    Russian missle shot down USA satellite
    The Supreme Court has been attacked by terrorists. Sen. Mark Dayton dead!
    Fidel Castro dead!

  • Attachment is an executive file. Filename can be the following:

    Full video.exe
    Full clip.exe
    Full news.exe
    Full story.exe

  • Being started by careless user, Trojan creates wincom32.sys file in system directory. This file is a driver, which downloads other malicious programs. Registers driver as a service in affected system. This service is reflected under wincom32 name. The worm modifies system registry through adding corresponding data:


  • Uses installed driver to search for service.exe process and to introduce its code into this process.
  • Contains P2P-networks function. For this creates peers.ini file of P2P-connection settings in system directory.
  • Opens in affected system UPD 4000 port and sends packages, trying to connect with available P2P tenants.
  • System recovery recommendations
    1. Disconnect your computer.
    2. Download Dr.Web CureIt! from known-pure computer which has an access to Internet.
    3. Scan affected computer. Beforehand download it In Safe Mode (F8 button).
    4. Delete HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wincom32 record in system registry using Regedit.

    Curing recommendations

    1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
    2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
    Download Dr.Web

    Download by serial number

    Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

    After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

    Download Dr.Web

    Download by serial number

    1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
    2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
      • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
      • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
      • Switch off your device and turn it on as normal.

    Find out more about Dr.Web for Android