Symptoms of (Malware/Virus) Infection [View all]
http://www.malwarehelp.org/symptoms-of-infection.html
Sometimes, there are obvious signs that there is malware on your computer, sometimes there is not. At first, the signs are subtle; your Computer seems to have a mind of its own. Malware programs contact other computers for various purposes and each of them is a program of its own, therefore they use system resources such as CPU cycles, memory and an Internet connection. A sudden change in how your computer is running could be a sign of spyware or adware. The really hard part about spotting spyware symptoms is that they often appear to be normal Web or computer operations. So, you may not recognize them as a symptom.
Below are some of the symptoms that may reveal that you have malware operating on your computer. Note that a few of these symptoms could also be from a number of other reasons.
Spyware Symptoms Symptoms that may indicate a Spyware infection
One of the oldest and most common spyware tricks is to automatically change your Web browser's default or start-up homepage the page that first appears when you start your browser or click the "home" button.
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