Smart Defragmenter

Threat Scorecard

Threat Level: 100 % (High)
Infected Computers: 121
First Seen: November 2, 2010
Last Seen: January 24, 2023
OS(es) Affected: Windows

Smart Defragmenter is a rogue computer defragmenter and optimization application that comes from the FakeSysDef family. Smart Defragmenter is secretly installed onto a machine by sneaky Trojans and will create a start-up registry entry to ensure that Smart Defragmenter loads each time the system is started up. When inside a PC, Smart Defragmenter will disable certain executable files and simulate a scan for the hard drives and memory. The scan will report the detection of numerous system errors and then advise the victim to purchase the full version of Smart Defragmenter in order to fix the errors. The error alerts displayed by Smart Defragmenter are fake and users should never purchase this rogue application.

There are countless rogue computer defragmenter and optimization programs plaguing the Internet. Among Smart Defragmenter family members are System Defragmenter, Ultra Defragger, HDD Control, Win HDD, Win Defrag, Win Defragmenter, Disk Doctor, Hard Drive Diagnostic, HDD Diagnostic, HDD Plus, HDD Repair, HDD Rescue, Smart HDD, Defragmenter, HDD Tools, Disk Repair, Windows Optimization Center, Scanner, HDD Low, Hdd Fix.

Aliases

15 security vendors flagged this file as malicious.

Anti-Virus Software Detection
Panda Generic Trojan
AVG Generic19.CBUO
Fortinet W32/Krapt.AO!tr
Ikarus Packed.Win32.Krap
AhnLab-V3 Packed/Win32.Krap
Microsoft Trojan:Win32/FakeSysdef
Antiy-AVL Packed/Win32.Krap.gen
AntiVir TR/Crypt.FKM.Gen
DrWeb Trojan.Fakealert.19334
Comodo TrojWare.Win32.PkdKrap.AO
Sophos Mal/FakeAV-EA
BitDefender Trojan.Generic.5035726
Kaspersky Packed.Win32.Krap.ao
Avast Win32:Crypt-HYJ
Symantec Trojan.Gen

SpyHunter Detects & Remove Smart Defragmenter

File System Details

Smart Defragmenter creates the following file(s):
# File Name MD5 Detections
1. winsp2up.exe 32267cd63767db0e0ec2f2702f65e74c 31
2. winsp2up.exe daf497476453627986bc103aa4e30bee 26
3. Endermanch@SmartDefragmenter.exe 03baeba6b4224371cca7fa6f95ae61c0 12
4. winsp2up.exe a6138b0d0ba1d422b2bc095e77189f01 10
5. winsp2up.exe 3db4a968b58ce4c974f725499aaa7448 6
6. winsp2up.exe 933d14cc4f25ba16e7836366d86ec0fa 5
7. winsp2up.exe b8c0174d35f9de2e7fc2620fa58ddc97 4
8. winsp2up.exe fcd459f4c1acbdcf6927bdc5dc779ff2 2
9. winsp2up.exe 2b9b550162caab5c9f8221eaf6548181 1
10. winsp2up.exe c592c321534becea646c1c415a053528 1
11. winsp2up.exe 676be8b9a453e01d436312685c0319ad 1
12. winsp2up.exe 703dd9c54668dc015d617b98b1ac56a8 1
13. winsp2upd.dll 11f2ed7a6b6d5c6fb7116bc9375eabe9 0

Registry Details

Smart Defragmenter creates the following registry entry or registry entries:
File name without path
Smart Defragmenter.lnk

Messages

The following messages associated with Smart Defragmenter were found:

Requested registry access is not allowed. Registry defragmentation required<br /> Read time of hard drive clusters less than 500 ms<br /> 32% of HDD space is unreadable<br /> Bad sectors on hard drive or damaged file allocation table<br /> GPU RAM temperature is critically high. Urgent RAM memory optimization is required to prevent system crash<br /> Drive C initializing error<br /> Ram Temperature is 83 C. Optimization is required for normal operation.<br /> Hard drive does not respond to system commands<br /> Data Safety Problem. System integri

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