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COM surrogate virus. How to remove? (Uninstall guide)

removal by Julie Splinters - -   Also known as Dllhost.exe *32 COM surrogate virus | Type: Trojans

COM surrogate in Task Manager is a Trojan horse hiding in your system

COM surrogate process in action

COM surrogate virus (also known as Dllhost.exe 32 COM surrogate virus) is a nasty Trojan horse[1] which has been actively spreading around since 2015. If it infects the system, this malware modifies its settings and starts causing dangerous activities. The key feature of COM surrogate is disguising itself under the name of legitimate Windows process. If you happen to find it in your Task manager, don't hesitate and remove it from the system.

Just like many other Trojan horses[2], COM surrogate can be used for a long list on malicious activities, such as stealing personal information and other data which is considered sensitive. Besides, this virus can be used to help other viruses infiltrate the system, give the remote control to the cybercriminals and initiate other computer-related problems.

You should immediately check your computer with reputable anti-spyware if you suspect that it is infected with COM surrogate virus. Typically, affected systems start working slower than previously, tend to crash. Besides, you might have problems when using Microsoft Office programs, Notepad or other applications. Finally, pay attention to suspicious programs showing up on your PC, and interrupting your browsing sessions. They can also be considered as one of signs showing that the system is infected. 

However, you should also note that these problems can be caused by many different computer viruses[3]. Though, if you can find strange and unknown processes running in the Task Manager, you should think about COM surrogate virus removal. Take our advice and scan your PC with Reimage or another reputable anti-malware software.

Please, do NOT mix this entry with with Dllhost.exe COM surrogate which is a critical system process used for hosting some of Windows operating system services and processes. Typically, this interface gives the ability for the developers to create COM objects that attach themselves to various programs and extend them. 

To make it more clear, COM object is used to generate thumbnail images of files in the folder and many other at first sight intangible processes. Due to this functionality, sometimes users are presented with “COM Surrogate has stopped running” error which means that they need to double check codecs, display driver or even the web browser.[4]

Thus, due to its specific and diverse purpose, users are not able to recognize it and often confuse between the original and virus versions. To spot a malicious Trojan horse that just impersonates a legitimate process dllhost com surrogate, you should pay attention to these tips:

  • Depending on the version of the Windows OS, the original file should be located in c:\windows\system32 or c:\winnt\system32 directories;
  • The virus is using a tremendous amount of your CPU power while the necessary process' usage is significantly lower;
  • A large number of dllhost.exe *32 operating in the Task Manager is also an indication that your computer is infected with a COM surrogate virus.

However, If you got infected with the malware that obfuscates this activity, you should not try to stop it on your own. You may end up with removing essential files and cause severe damage to your computer.

For this reason, you have to employ an antivirus or anti-malware software, and let your preferred software to remove COM surrogate virus from the computer.

Trojan version spreads via rogue websites

Developers of the malicious process distribute it via malicious websites that might promote fake updates of regal applications. Thus, users are lured into unconsciously downloading the infected file instead by the delusional look of it. Moreover, you should avoid illegal downloads since crooks often use them to spread the trojan and other high-risk computer infections.

If that is not enough,[5] analysts noticed that some victims got infected via spam e-mail messages sent under the name of DHL or FedEx shipping company. The subject line stated that it failed to deliver a package and submitted an attachment with further details. Once the user opened an attachment, the Trojan infiltrated on the computer and started its malicious activity.

Thus, if you want to stay safe, you should start avoiding illegal websites, ignore suspicious emails[6], never download their possibly infected attachments and also close all misleading ads[7] that may show up on your way while browsing the web.

If an advertisement is offering you to update your Flash Player, FLV Player or similar program, you should close it. If you have any doubts that you need to update these programs, you should visit their official websites. As we have already said, you should never leave COM surrogate virus on your computer. If you have even the smallest doubts about it, please use our tips below and fix your computer.

The right method to remove COM surrogate virus

You should employ a reliable security software to remove COM surrogate virus if you want to protect your confidential data like bank logins, credit card details, passwords and similar information. Remember that if you get rid of the original Windows file, you might completely damage your operating system, thus do not try to eliminate it by yourself.

It’s nearly impossible.

If you try to delete the described virus manually, you can make a terrible mistake and delete the wrong file. To avoid making unnecessary mistakes, employ professional programs for COM surrogate removal. We highly recommend scanning the system with one of the programs listed below.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove COM surrogate virus you agree to our privacy policy and agreement of use.
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Reimage (remover) Happiness
Reimage (remover) Happiness
Compatible with Microsoft Windows Compatible with OS X
What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall COM surrogate virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
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About the author

Julie Splinters - Malware removal specialist

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    Com surrogate trojan and Have tried several antivirus and anti-malware programs with no luck including MalwareBytes it keeps finding its way back to working and It Causes My Gaming Ping to max out when it gets going heavy, any Suggestions anyone