Disabling Antivirus

Created the Monday 18 March 2019. Updated 3 years, 6 months ago.

Some malware can also use specific command to disable the antivirus and to avoid detection.


Technique Identifier

U0508


Detection Rules

rule:
  meta:
    name: check for sandbox and av modules
    namespace: anti-analysis/anti-av
    author: "@_re_fox"
    scope: basic block
    unprotect: U0508
    mbc:
      - Anti-Behavioral Analysis::Virtual Machine Detection [B0009]
      - Anti-Behavioral Analysis::Sandbox Detection [B0007]
    examples:
      - ccbf7cba35bab56563c0fbe4237fdc41:0x0040a4a0
  features:
    - and:
      - api: GetModuleHandle
      - or:
        - string: /avghook(x|a)\.dll/i
          description: AVG
        - string: /snxhk\.dll/i 
          description: Avast
        - string: /sf2\.dll/i 
          description: Avast
        - string: /sbiedll\.dll/i
          description: Sandboxie
        - string: /dbghelp\.dll/i 
          description: WindBG
        - string: /api_log\.dll/i 
          description: iDefense Lab
        - string: /dir_watch\.dll/ 
          description: iDefense Lab
        - string: /pstorec\.dll/i
          description: SunBelt Sandbox
        - string: /vmcheck\.dll/i
          description: Virtual PC
        - string: /wpespy\.dll/i
          description: WPE Pro
        - string: /cmdvrt(64|32).dll/i 
          description: Comodo Container
        - string: /sxin.dll/i 
          description: 360 SOFTWARE
        - string: /dbghelp\.dll/i
          description: WINE
        - string: /printfhelp\.dll/i 
          description: Unknown Sandbox

Additional Resources

External Links

Subscribe to our Newsletter


The information entered into this form is mandatory. It will be subjected to computer processing. It is processed by computer in order to support our users and readers. The recipients of the data will be : contact@unprotect.it.

According to the Data Protection Act of January 6th, 1978, you have at any time, a right of access to and rectification of all of your personal data. If you wish to exercise this right and gain access to your personal data, please write to Thomas Roccia at contact@unprotect.it.

You may also oppose, for legitimate reasons, the processing of your personal data.