SysDefence Adware Removal Instructions

[Christian Mairoll 235]

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, SoftSoldier,  SoftCop, 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 SoftwareSysDefenceSysDefence.exe
• %ProgramFiles%SysDefence SoftwareSysDefenceuninstall.exe
• %ProgramFiles%SysDefence SoftwareSysDefencemain_config.xml
• %AllUsersProfile%DesktopSysDefence.lnk
• %AllUsersProfile%Start MenuProgramsSysDefence1 SysDefence.lnk
• %AllUsersProfile%Start MenuProgramsSysDefence2 Homepage.lnk
• %AllUsersProfile%Start MenuProgramsSysDefence3 Uninstall.lnk
• %UserProfile%[email protected][1].txt
• %UserProfile%Local SettingsTempnsq6.tmpnsProcess.dll

Create new registry entries:

• HKEY_LOCAL_MACHINEsoftwaremicrosoftWindowsCurrentVersionUninstallSysDefence
• HKEY_LOCAL_MACHINEsoftwareSysDefence
• HKEY_CURRENT_USERsoftwareSysDefence
• HKEY_LOCAL_MACHINEsoftwaremicrosoftWindowsCurrentVersionRun, “SysDefence”
• HKEY_CURRENT_USERsoftwareMicrosoftWindowsCurrentVersionRun, “SysDefence.exe”
• HKEY_CURRENT_USERsoftwareMicrosoftWindowsCurrentVersionRun, “SysDefence”

Screenshots:

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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