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Backdoor:Win32/Delf.ACK description and removal instruction

Backdoor:Win32/Delf.ACK

Free Backdoor:Win32/Delf.ACK Scan

Technical information
Payload
Removal instructions

Technical information

The Backdoor:Win32/Delf.ACK will install rogue security software RegUltimate 2.0 into the affected machines without users knowledge. The Backdoor:Win32/Delf.ACK file size is 88576 bytes.

Payload

Once launched, the Backdoor:Win32/Delf.ACK performs the following actions:

  • Download rogue security tool RegUltimate 2.0 from the following domains:
    download site
  • Modify the properties of the following files:
    %SYSTEMROOT%:\WINDOWS\System32\DriverStore\FileRepository\wiaca00f.inf_amd64_neutral_f7f7e179d99acc58\\CNHL800.DLL

    (88576 bytes; detected by HitMalware as " Backdoor:Win32/Delf.ACK")
  • Removal instructions

    If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Backdoor:Win32/Delf.ACK:

    1. Replace the infected file CNHL800.DLL for free by using CNHL800.DLL repair tool - DLL Suite. See how to replace CNHL800.DLL by using DLL Suite.

    2. Perform a full Backdoor:Win32/Delf.ACK scan by using the latest antivirus/antispyware HitMalware.
    (Download Trial Version Now)

    MD5: 74461257446125


    How to replace CNHL800.DLL by using DLL Suite

  • Download DLL Suite, install and run
  • Click "Start Scan" button to check CNHL800.DLL file
  • Choose CNHL800.DLL and click "More Information"
  • Download CNHL800.DLL for free from the open web page
  • Save CNHL800.DLL to its default folder to replace infected CNHL800.DLL file.
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