Published Nov 10, 2010|Updated Sep 15, 2017

Win32/FakeSysdef

Alert level: Severe Detected with Windows Defender Antivirus

Also detected as: PC Repair (other) TR/FakeSysdef.A.20 (Avira) Trojan.Inject.12360 (ESET) Mal/FakeAV-EA (Sophos) Trojan.FakeAV!gen28 (Symantec) HDD Defragmenter (other) Check Disk (other) Windows Repair (other) WindowsRecovery (other) Windows 7 Recovery (other) Windows XP Recovery (other) Data Restore (other) Disk Defrag (other) Disk Doctor (other) Disk Helper (other) Disk Ok (other) Disk Optimizer (other) Disk Recovery (other) Disk Repair (other) Disk Tool (other) Easy Scan (other) Fast Disk (other) File Recovery (other) Good Memory (other) Hard Drive Diagnostic (other) HDD Control (other) HDD Diagnostic (other) HDD Fix (other) HDD Low (other) HDD Ok (other) HDD Plus (other) HDD Repair (other) HDD Rescue (other) HDD Scan (other) HDD Tools (other) Memory Fixer (other) Memory Optimizer (other) Memory Scan (other) Quick Defrag (other) Quick Defragmenter (other) Smart Defragmenter (other) Smart Hdd (other) System Defragmenter (other) System Diagnostic (other) System Fix (other) Ultra Defragger (other) Win Defrag (other) Win Defragmenter (other) Win Disk (other) Win Hdd (other) Win Scan (other) Win Scanner (other) Windows Diagnostic (other) Windows Disk (other) Windows Fix disk (other) Windows Restore (other) Windows Safemode (other) Windows Scan (other) Windows Tool (other) Windows XP Restore (other) Windows 7 Restore (other) Data_Recovery (other) Data Recovery (other) SMART Repair (other) S.M.A.R.T. Repair (other) SMART Check (other) S.M.A.R.T. Check (other)

Windows Defender Antivirus detects and removes this threat. 

This family of programs claim to scan for hardware defects related to system memory, hard drives and over-all system performance. They show fake hardware problems and ask you to pay money to repair them.