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Win32.HLLW.Autoruner2.36186

Added to the Dr.Web virus database: 2018-04-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /W'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'qoilax' = '%HOMEPATH%\qoilax.exe /a'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\LDd.ico
  • <Drive name for removable media>:\qoilax.exe
  • <Drive name for removable media>:\qoilaxx.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\Video.lnk
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Modifies file system:
Creates the following files:
  • %HOMEPATH%\qoilax.exe
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\qoilax.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\LDd.ico
  • <Drive name for removable media>:\qoilax.exe
  • <Drive name for removable media>:\qoilaxx.exe
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8000
UDP:
  • DNS ASK ns#.##ayer1532.com
Miscellaneous:
Creates and executes the following:
  • '%HOMEPATH%\qoilax.exe'
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