Three major Trojan Virus scans

Feb. 24, 2012 - PRLog -- The Trojan horse is now considered as one of the most dangerous malware that your computer could have. But more than just the level of damage it could bring, what’s very scary about a Trojan horse is that it can do its dirty job silently without the computer ever noticing it’s there. It is the perfect spying software if the hacker decides to steal and access critical information that a user would have otherwise wanted to remain hidden and protected.

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Active Scanning (Normal Trojan Scan)
This is the procedure that is normally used by all antivirus software regularly as you use your computer. It includes analyzing and checking each file in your hard disk, and inspecting the activities of programs that run within the operating system.  The updated antivirus software that initiates a Trojan scan can more or less detect the presence of a Trojan virus, giving you a message prompt along with the analysis of the infected file.

While it is easy to scan and detect, it is sometimes very difficult to erase or delete the files after conducting a Trojan scan. They might be masquerading as an essential system file, shielding itself from the antivirus software with a fake identity. This is the reason why sometimes the next type of Trojan scan is used.

Runtime Boot Scan (Pre-Startup Trojan Scan)
If it is masquerading itself as a critical system file, then the best course of action to take is to move it to a place where its identity would be totally irrelevant. For your computer, that’s somewhere between your BIOS and the operating system. The antivirus software conducting the Trojan scan can catch the infected file totally off-guard here. Without its precious fake identity, all it can do is regret that your antivirus software can do a runtime boot scan.

A runtime boot scan, though very effective in terms of detecting and destroying Trojan viruses, quite performs poorly in the speed category. Without the multitasking capabilities of the full program, you’ll have to sit by and wait for the computer to finish scanning all the files one by one using only the basic functions of the runtime boot scan procedure.

Online Scan (Trojan Scan Through the Internet)
If you think you don’t have the time to do a runtime boot scan but still want a decent Trojan scan service that would simply find the infected files for you quickly, then you might as well simply conduct an online scan. An online Trojan scan is very beneficial for the user if you want the computer to be free of any processing loads needed to scan your system.

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As we have hinted earlier though, most online scanning services often offer the Trojan scan procedure only, without doing any action to actually pluck it out of your system. An online Trojan scan is best if you need to verify the scanning results of your installed-software as early as possible.