csrss.exe is a application which is probably NOT a virus or malware. So, if csrss.exe is on your system, it is probably ok, and will NOT cause problems. Even if your system is clean, it is still recommended to run a good antivirus with a good track record, in order to yourself your system against potential security problems.
Usually, this program is stored in C:\WINDOWS\system32\csrss.exe.
The MD5 fingerprint for this program is 0d9f14739d05f8b8b028b539fc6f1f29.
This application does NOT operate as a Windows service. This is normally a good sign.
csrss.exe appears to use the functions of Windows SFC (System File Checker) or Windows File Protection.
64-bit code has been detected. This exe can exploit the full power of a modern computer processor.
csrss.exe has a digital signature. Today most serious software applications are digitally signed.
The digital signature extracted from csrss.exe is valid. This is most likely a clean, ok program.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Production PCA 2011
This executable does NOT have an uninstall command stored in registry.