qhwatchdog.exe is a application which is probably legit. So, if qhwatchdog.exe is on your system, it is probably ok, and will NOT be a cause for concern. Even if your system is clean, it is still recommended to run a well-known antivirus with a good track record, in order to defend your PC against viruses and malware.
This program is normally stored in C:\Program Files (x86)\360\Total Security\safemon\QHWatchdog.exe.
The MD5 fingerprint for this program is 5e6c05d3f8a06f263e1d53fc5c2c53b2.
This program does NOT run as a Windows service. This is normally a good sign.
This executable runs in 32-bit mode. It can not benefit of the full set of features of modern computer processors. This is quite normal because the publishers did not bother to upgrade it to 64-bit code.
The description extracted from the file is 360 Total Security.
File version extracted from the file 8,2,0,1010.
Company Qihoo 360 Technology Co. Ltd..
Intellectual property rights notice (C) Qihoo 360 Technology Co. Ltd., All rights reserved..
qhwatchdog.exe has a digital signature. Today the large majority of clean programs are digitally signed.
The digital signature found in qhwatchdog.exe checks out perfectly. This is very good.
Digital certificate name: Beijing Qihu Technology Co., Ltd.
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall string in registry, which is good. si are uninstall.