qhactivedefense.exe is a application which is probably NOT a virus. So, if qhactivedefense.exe is on your PC, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, it is still recommended to purchase a well-known antivirus with a good track record, in order to yourself your PC against potential security problems.
The default filename and directory where this application is stored is
C:\Program Files\360\Total Security\safemon\QHActiveDefense.exe.
The MD5 checksum for this file is 5960b24813ca497d5e2a51333c5cb826.
This program is registered as a Windows service. This means it runs on your system in background, usually without showing any user interface to you. Most Windows services are ok programs, which provide useful functions to other applications or to Windows in general.
This executable uses the net to communicate. Today this is expected from a program. For example, most of the apps on your computer check for new updates. In order to do this, Internet communications are necessary.
This exe runs as a 32-bit program. It can not exploit the full power of nowadays' computer chips. This is quite normal because the makers did not bother to upgrade it to 64-bit code.
The description present in the program is 360 Total Security.
File version extracted from the file 9,2,0,1006.
Company name QIHU 360 SOFTWARE CO. LIMITED.
Legal copyright notice (C)Qihu 360 Software Co., Ltd. All rights reserved..
Some unusual functions of Windows have been used, such as functions for tapping the keyboard. We advise you to read more about this program.
qhactivedefense.exe has a digital signature. Nowadays the large majority of serious programs are digitally signed.
The digital signature extracted from qhactivedefense.exe is valid. This is excellent.
Digital certificate name: QIHU 360 SOFTWARE CO. LIMITED
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall string in registry, which is a good sign. si are uninstall.