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csrss.exe. Is it a virus?

The csrss.exe could be a WEBUS. Sometimes it’s called ADCLICK-AG, ASCETIC.B and DALBUG.

It’s not absolutely clear which product this file is part of and who is its author. It’s a hidden file. This files starts on Windows startup. Csrss.exe is usually located in the %SYSTEM% sub-folder and its usual size is 180 bytes.

This file is a trojan. Trojans can steal important data from your computer. This file is a network worm. Worms can significantly decrease your Internet connection speed and download new malware onto your computer.


Disable and delete the csrss.exe process as soon as possible. Most likely it is a virus, a trojan, or some other malware. Before disabling this file make sure it is not a legitimate file that is also called csrss.exe.

We also recommend scanning your computer.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Process: WEBUSCommon path(s): subfolder in %SYSTEM%Keywords(s): startup, trojan, worm, monitor, hiddenFilesize(s): 180 bytes, 69,632 bytes, 481 bytes, 28,974 bytes, 122,896 bytes, 13,824 bytes, 147,456 bytes, 30,720 bytes, 22 bytes, 20,480 bytes, 29,696 bytes, 90,884 bytes, 24,064 bytes, 266,316 bytes, 128,000 bytes, 229,173 bytes, 52,294 bytes, 28,160 bytes, 866,086 bytes, 679,424 bytes, 27,537 bytes, 4,546,560 bytes, 688,128 bytes, 129,024 bytes, 4,535,296 bytes, 2,932,736 bytes, 103,424 bytes, 13,312 bytes, 67,072 bytes, 212,992 bytes, 1,599,488 bytes, 28,793 bytes, 74,752 bytes, 1,567,744 bytes, 169,766 bytes, 27,136 bytes, 132,915 bytes, 151,998 bytes, 156,948 bytes, 16,896 bytes, 4,527,616 bytes, 25,969 bytes, 1,066,542 bytes, 7,128 bytes, 30,801 bytes, 1,064,960 bytes, 227,110 bytes, 28,130 bytes, 4,572,160 bytes, 1,081,344 bytes, 870,182 bytes, 102,912 bytes, 32,768 bytes, 4,580,352 bytes, 1,160,865 bytes, 94,208 bytes, 30,093 bytes, 311,808 bytes, 1,076,814 bytes, 766,464 bytes, 28,672 bytes, 29,010 bytes, 90,905 bytes, 1,103,737 bytes

User opinions

csrss.exe has the following rating: 2.5
based on 5 user opinions.
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by Hm on Apr 27, 2013 at 03:06 PM

This is a legitimate Windows process.

2 | 0
by Dutch Dummie on Dec 9, 2012 at 05:57 AM

now i am confused. what is the difference between this dangerous csrss and the legitimate file csrss? and, where can i disable or delete the csrss process? is that in services?

3 | 1
by zerf54 on Aug 22, 2012 at 08:33 AM

csrss is safe by default, but may be infected by viruses like this one - be careful.

0 | 1
by pawllaq on Dec 19, 2011 at 02:06 PM

this is very important process and this page is trying to make You to install this crap on Your pc

3 | 0
by Keine Clark on Sep 22, 2010 at 04:21 PM

good recommendation. very good. very well.

0 | 2
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