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Trojan:DOS/CDA description and removal instruction

Trojan:DOS/CDA

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Technical information
Payload
Removal instructions

Technical information

The Trojan:DOS/CDA will install rogue security software Registry Booster 2012 into the affected computers without users knowledge. The Trojan:DOS/CDA file size is 38400 bytes.

Payload

Once launched, the Trojan:DOS/CDA performs the following actions:

  • Download rogue security tool Registry Booster 2012 from the following domains:
    http://www.registrybooster.com/
  • Modify the properties of the following files:
    %SYSTEMROOT%:\WINDOWS\winsxs\wow64_microsoft-windows-i..henticationbinaries_31bf3856ad364e35_6.1.7600.16385_none_b96d21ae9267a7dd\\authmd5.dll

    (38400 bytes; detected by HitMalware as " Trojan:DOS/CDA")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Trojan:DOS/CDA:

    1. Replace the infected file authmd5.dll for free by using authmd5.dll repair tool - DLL Suite. See how to replace authmd5.dll by using DLL Suite.

    2. Perform a full Trojan:DOS/CDA scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 71736867173686


    How to replace authmd5.dll by using DLL Suite

  • Download DLL Suite, install and run
  • Click "Start Scan" button to check authmd5.dll file
  • Choose authmd5.dll and click "More Information"
  • Download authmd5.dll for free from the open web page
  • Save authmd5.dll to its default folder to replace infected authmd5.dll file.
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