What is inf.exe?

inf.exe is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the inf.exe version information.

inf.exe's description is "COM Surrogate"

inf.exe is usually located in the 'c:\downloads\' folder.

Some of the anti-virus scanners at VirusTotal detected inf.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on inf.exe:

PropertyValue
Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionCOM Surrogate
Internal namedllhost.exe
Original filenamedllhost.exe
Legal copyright© Microsoft Corporation. All rights reserved.
Product version1.0.0.1
File version1.0.0.1

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionCOM Surrogate
Internal namedllhost.exe
Original filenamedllhost.exe
Legal copyright© Microsoft Corporation. All rights..
Product version1.0.0.1
File version1.0.0.1

Digital signatures [?]

inf.exe is not signed.

VirusTotal report

51 of the 68 anti-virus programs at VirusTotal detected the inf.exe file. That's a 75% detection rate.

ScannerDetection Name
Ad-Aware Trojan.Agent.CQTZ
AegisLab Troj.W32.Agent!c
AhnLab-V3 Trojan/Win32.Agent.C2420029
ALYac Trojan.Agent.CQTZ
Antiy-AVL Trojan/Win32.Agent
Arcabit Trojan.Agent.CQTZ
Avast Win32:Malware-gen
AVG Win32:Malware-gen
Avira TR/Agent.debfj
AVware Trojan.Win32.Generic!BT
BitDefender Trojan.Agent.CQTZ
CAT-QuickHeal Trojan.Agent
Comodo .UnclassifiedMalware
CrowdStrike malicious_confidence_100% (W)
Cybereason malicious.fcf507
Cylance Unsafe
Cyren W32/Trojan.DCLL-1275
eGambit PE.Heur.InvalidSig
Emsisoft Trojan.Agent.CQTZ (B)
Endgame malicious (high confidence)
ESET-NOD32 Win32/Agent.TAC
F-Secure Trojan.Agent.CQTZ
Fortinet W32/Agent.TAC!tr
GData Trojan.Agent.CQTZ
Ikarus Trojan.Win32.Agent
Invincea heuristic
K7AntiVirus Trojan ( 0051d6231 )
K7GW Trojan ( 0051d6231 )
Kaspersky Trojan.Win32.Agent.qweyod
MAX malware (ai score=100)
McAfee GenericRXDX-YX!7F37D17FCF50
McAfee-GW-Edition GenericRXDX-YX!7F37D17FCF50
Microsoft Trojan:Win32/Tiggre!rfn
MicroWorld-eScan Trojan.Agent.CQTZ
NANO-Antivirus Trojan.Win32.Generic.eyuotf
Paloalto generic.ml
Panda Trj/CI.A
Qihoo-360 Win32/Trojan.7a9
SentinelOne static engine - malicious
Sophos Mal/Generic-S
Symantec Trojan.Gen.2
Tencent Win32.Trojan.Agent.Ajlv
TrendMicro TROJ_GEN.R049C0PCA18
TrendMicro-HouseCall TROJ_GEN.R049C0PCA18
VBA32 Trojan.Agent
VIPRE Trojan.Win32.Generic!BT
ViRobot Trojan.Win32.Z.Agent.245152.B
Webroot W32.Trojan.Gen
Yandex Trojan.Agent!HinF0nov6YU
Zillya Trojan.Agent.Win32.861173
ZoneAlarm Trojan.Win32.Agent.qweyod
51 of the 68 anti-virus programs detected the inf.exe file.

inf.exe removal instructions

The instructions below shows how to remove inf.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the inf.exe file for removal, restart your computer and scan it again to verify that inf.exe has been successfully removed. Here are the removal instructions in more detail:

  1. Download and install FreeFixer: http://www.freefixer.com/download.html
  2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
    Screenshot of Start Scan button
  3. When the scan is finished, locate inf.exe in the scan result and tick the checkbox next to the inf.exe file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate inf.exe in the scan result.
    Red arrow point on the unwanted file
    c:\downloads\inf.exe
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the inf.exe file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If inf.exe still remains in the scan result, proceed with the next step. If inf.exe is gone from the scan result you're done.
  7. If inf.exe still remains in the scan result, check its checkbox again in the scan result and click Fix.
  8. Restart your computer.
  9. Start FreeFixer and scan your computer again. Verify that inf.exe no longer appear in the scan result.
Please select the option that best describe your thoughts on the removal instructions given above








Free Questionnaires

Hashes [?]

PropertyValue
MD57f37d17fcf507fbe7178882c9fbde9de
SHA25685d0df0e3542936ee35ee3dbb0e15807646d6867d50f7653b84fe30a633ff33d

Error Messages

These are some of the error messages that can appear related to inf.exe:

inf.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

inf.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

COM Surrogate has stopped working.

End Program - inf.exe. This program is not responding.

inf.exe is not a valid Win32 application.

inf.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with inf.exe?

To help other users, please let us know what you will do with inf.exe:



Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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