Windows Security Tutorials - Herong's Tutorial Examples - v3.01, by Dr. Herong Yang
Common Symptoms of an Infected System
This section provides a quick introduction of some common symptoms on Windows systems infected by malware (Malicious Software).
If your Windows system is infected by a malware (Malicious Software), what are common symptoms. Here is a summary of common symptoms of malware infected in Windows systems based on my experiences:
Anti-Virus Scan Alerts - Obviously, if your anti-virus tool displays a security alert message, it's most likely that your system is infected.
Windows Firewall Alerts - Obviously, if the Windows Firewall displays a security alert message, it's most likely that your system is infected.
Automatic Pop-Up Windows - If see a pop-up window showing up automatically with an advertisement or a faked Windows system message, it's most likely that your system is infected.
Automatic Play of Audio Ads - If you hear an audio advertisement automatically played in the background, it's most likely that your system is infected.
Sudden Slowness - If you experience a sudden slowness on your computer system, it's very likely that your system is infected.
Sudden Change Of Browser Behavior - If you notice a sudden change of your browser behavior, like a new start up web page, a new tool bar, a new search engine, extra advertisements on web pages, strange web page layouts, etc., it's very likely that your browser is infected.
Friends Receiving Spamming Emails from You - If your friends are receiving spamming emails from you, it's very likely that your system is infected
Unexpected System Behavior - If you experience some unexpected behaviors from your Windows system, like error message box when you start or shutdown the system, it's very likely that your system is infected.
Unexpected Application Behavior - If you experience some unexpected behaviors when you run your daily applications like failed to start your email application or word processing application, it's likely that your system is infected.
Table of Contents
About This Windows Security Book
Windows 8: System Security Review
Windows 8: System Security Protection
Windows 8 Defender for Real-Time Protection
Windows 7: System Security Review
Windows 7: System Security Protection
Windows 7 Forefront Client Security
Norton Power Eraser - Anti-Virus Scan Tool
McAfee Virus and Malware Protection Tools
Spybot - Spyware Blocker, Detection and Removal
Keeping IE (Internet Explorer) Secure
►Malware (Adware, Spyware, Trojan, Worm, and Virus)
What Is Malware (Malicious Software)?
Common Ways of Getting Infected
►Common Symptoms of an Infected System
Common Ways of Malware Executions
Malware Removal by Anti-Virus Tools
Identify Malware Process Manually
Delete Malware Program Files Manually
HijackThis - Browser Hijacker Diagnosis Tool
IE Add-on Program Listing and Removal
"Conduit Search" - Malware Detection and Removal
"Tube Dimmer", "Scorpion Saver" or "Adpeak" Malware
Malware Manual Removal Experience
Vundo (VirtuMonde/VirtuMundo) - vtsts.dll Removal
Trojan and Malware "Puper" Description and Removal
VSToolbar (VSAdd-in.dll) - Description and Removal
PWS (Password Stealer) Trojan Infection Removal