Dec 18

SysDefence Adware Removal Instructions

The Emsi Software malware research team has discoverd a new outbreak of the SysDefence adware. a-squared Anti-Malware detects this malware as Adware.Win32.SysDefence.

SysDefence, come from hxxp://www.sysdefence.com, is a rogue scanner program, it shows a fake security center window, shows misleading scan results and fake security alerts. The author of SysDefence also made TheDefend, GuardPcs, IGuardPc, SiteAdware, AntiTroy, AntiKeep, AntiAdd, RESpyWare, REAnti, KeepCop, SecureKeeper, LinkSafeness, AntiAid, SystemFighter, SystemVeteran, BlockProtector, BlockKeeper, BlockScanner, BlockWatcher, SoftStronghold, ShieldSafeness, SoftVeteran, SoftSoldierSoftCop, TrustFighter, TrustSoldier, SafeFighter, SecureVeteran, etc. To further convince victims, SysDefence will also create numerous junk files with random names on your computer that will be detected as malware when the program scans your computer, but will not allow you to remove them until you purchase it.

Create new files:

  • %ProgramFiles%\SysDefence Software\SysDefence\SysDefence.exe
  • %ProgramFiles%\SysDefence Software\SysDefence\uninstall.exe
  • %ProgramFiles%\SysDefence Software\SysDefence\main_config.xml
  • %AllUsersProfile%\Desktop\SysDefence.lnk
  • %AllUsersProfile%\Start Menu\Programs\SysDefence\1 SysDefence.lnk
  • %AllUsersProfile%\Start Menu\Programs\SysDefence\2 Homepage.lnk
  • %AllUsersProfile%\Start Menu\Programs\SysDefence\3 Uninstall.lnk
  • %UserProfile%\Cookies\userdemo@sysdefence[1].txt
  • %UserProfile%\Local Settings\Temp\nsq6.tmp\nsProcess.dll

Create new registry entries:

  • HKEY_LOCAL_MACHINE\software\microsoft\Windows\CurrentVersion\Uninstall\SysDefence
  • HKEY_LOCAL_MACHINE\software\SysDefence
  • HKEY_CURRENT_USER\software\SysDefence
  • HKEY_LOCAL_MACHINE\software\microsoft\Windows\CurrentVersion\Run, “SysDefence”
  • HKEY_CURRENT_USER\software\Microsoft\Windows\CurrentVersion\Run, “SysDefence.exe”
  • HKEY_CURRENT_USER\software\Microsoft\Windows\CurrentVersion\Run, “SysDefence”

Screenshots:

Adware.Win32.SysDefence

Adware.Win32.SysDefence_2

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

Adware.Win32.SysDefence

How to remove the infection of SysDefence (Adware.Win32.SysDefence)?

To delete this malware infection, please download and install a-squared Anti-Malware. Run a full scan on all drives and move all detected items to the quarantine.

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