How to Remove “defrag.exe”

What is defrag.exe?

defrag.exe is a legitimate file. This process is known as Disk Defragmenter Module. This belongs to the software Windows Disk Defragmenter and was developed by Microsoft. It is commonly stored in C:\Windows\System32. The malware programmers or cyber criminals write different types of malicious programs and name it as defrag.exe to damage the software and hardware.

Affected Platform: Windows OS

How to check if your computer is infected with defrag.exe malware?       

Malicious authors try to infect the systems with different types of malicious programs. Each form of malicious software is designed to infect the system that creates different issues and impact on the system. One can notice the following changes once the system is infected with defrag.exe malware

  • If the internet connection fluctuation is high 
  • If the defrag.exe file is taking more of your CPU memory 
  • If the system performance is very low
  • If the system is redirected to some strange websites 
  • If the system is getting some annoying popup ads 
  • If the system freezes quiet often
  • If it invites other malware to infect and damage the system and exploits the same to collect the user private informaton

When one of these happens then you can be sure that your system is infected with setup.exe  malware. To confirm that go to task manager by pressing the combination of keys ctrl+alt+del and go to the process tab and right click on the defrag.exe and open the location, if the location is subfolder C:\Windows\System32 files then the system is not affected by defrag.exe, if the location is somewhere else then the system is affected by defrag.exe malware.

How to remove defrag.exe malware from system using Comodo Antivirus?

Ideally, replacing the existing defrag.exe file on your computer with a different version procured from the Internet is advisable. To remove the file using Comodo's trusted and effective antivirus software, follow the steps below:

Step 1: Download the award-winning Free Comodo Antivirus.

Step 2: Installation configuration frames will be displayed. Select the configuration you would like to apply.

Step 3: After network detection is complete, press “Close” button for a scan window.

Step 4: Restart your PC.

Step 5: It will take some time for the Comodo Internet Security to update the antivirus.

Step 6: Proceed with a quick scan that automatically begins after the update.

Step 7: If threats are found during the scanning, you will be prompted with an alert screen.

Step 8: Comodo Antivirus will remove defrag.exe malware from your computer including all other malwares!

56

Malware Entries

First Seen: 30 June 2011 at 7:23 am
No. Company File Type SHA1 MD5 Malware
Name
Digitally
Signed
File
Version
Product
Version
Submitted
From
Malware Behavior
1 Microsoft Corp. Executable 449f60513ecb2981
ced1224a2edb8255
2b826c7c
4a17fc0b5e1bc5fc
7834db6225b4ee51
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
Indonesia N/A
2 Microsoft Corp. Executable 1520830de8051dc9
e2e66cc68bd85c80
08dbae02
ff0ff73b5cbd6f99
5d5f015f3f3059b9
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
197.210.47.180/32 N/A
3 Microsoft Corp. Executable 6cd4e172cd3d03c4
94892757e3935d2a
e6b129be
f850002c7263e710
096e2cb59aeb6491
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
Canada N/A
4 Microsoft Corp. Executable 2669a11258c44887
6bee1324178b39a1
31eaa7ed
c8a6bda5256c49f7
38559ad0ec61ba79
Virus.Win32.
Virut.CE
No 6.1.7600.1
6385
(win7_rtm.
090713-125
5)
6.1.7600.1
6385
Azerbaijan N/A
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12

Safe Entries

First Seen: 03 October 2008 at 5:39 pm
No. Company File Type SHA1 MD5 Digitally
Signed
File
Version
Product
Version
Submitted
From
1 N/A Executable 8436bc4fb4537d32
90b0728c1fbd7bca
377bd67c
5bd65eace1a6f8e6
9debab1d35db5c66
No N/A N/A Internal Submission
2 N/A Executable 109dc32db9b52be4
fd606798a0cbfe13
54864ae5
b90c66d95477a28b
242f52760b75affa
No N/A N/A United States
3 N/A Executable 38944e0d688a93ef
27553a921d6eff80
13eb0bcb
7c4cd6fc1f430234
9d84df230b7cbae1
No N/A N/A Internal Submission
4 N/A Executable f67a42975ec5ba14
824751596e574e05
f0793187
4723ae8d944aa42d
9e1f43b56469712c
No N/A N/A Internal Submission
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