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Backdoor:Win32/Delf.BX description and removal instruction


Free Backdoor:Win32/Delf.BX Scan

Technical information
Removal instructions

Technical information

The Backdoor:Win32/Delf.BX will install rogue security software PC Optimizer Pro into the affected machines without users knowledge. The Backdoor:Win32/Delf.BX file size is 3584 bytes.


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

  • Download rogue security tool PC Optimizer Pro from the following domains:
  • Modify the properties of the following files:

    (3584 bytes; detected by HitMalware as " Backdoor:Win32/Delf.BX")
  • Removal instructions

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

    1. Replace the infected file api-ms-win-core-memory-l1-1-0.dll for free by using api-ms-win-core-memory-l1-1-0.dll repair tool - DLL Suite. See how to replace api-ms-win-core-memory-l1-1-0.dll by using DLL Suite.

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

    MD5: 21311822131182

    How to replace api-ms-win-core-memory-l1-1-0.dll by using DLL Suite

  • Download DLL Suite, install and run
  • Click "Start Scan" button to check api-ms-win-core-memory-l1-1-0.dll file
  • Choose api-ms-win-core-memory-l1-1-0.dll and click "More Information"
  • Download api-ms-win-core-memory-l1-1-0.dll for free from the open web page
  • Save api-ms-win-core-memory-l1-1-0.dll to its default folder to replace infected api-ms-win-core-memory-l1-1-0.dll file.
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