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Entries Tagged as 'Computer Virus'

Why Your Computer is Running Slow and How to Fix it Quickly

July 9th, 2010 · No Comments · How To Maintain

It is really boring and annoying if you find your computer is no longer as good as when you first used it. When your computer show signs that it took time before your windows can be booted, then your PC is suffering from “Computer running slow syndrome”.
There are several reasons why [...]

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What is a Hybrid Virus?

June 17th, 2010 · No Comments · Security

Sometimes referred to as a multipartite virus, the hybrid virus is one of the more difficult types of computer virus to bring under control. Essentially, the hybrid virus will combine elements of other virus programs in a new combination that will often slip past protections that would stop the original component viruses. Generally, a hybrid [...]

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What Is a Polymorphic Virus?

May 19th, 2010 · No Comments · Security

A polymorphic virus is a computer virus which is capable of mutating itself when it replicates, making it more difficult to identify with ordinary antivirus software. To effectively find such viruses, antivirus software needs to have more complex algorithms available to help it identify distinctive patterns which can betray the presence of a virus even [...]

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Boot Sector Virus

May 9th, 2010 · No Comments · Security, Storage

A boot sector virus is a computer virus which infects the boot sector on hard disks, floppy disks, and theoretically also other bootable media such as CD’s and DVD’s.
A boot sector virus does not need to be able to successfully boot the victims computer to infect it. Because of this, even non-bootable media can spread [...]

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What is a stealth virus?

May 9th, 2010 · No Comments · Security

A stealth virus is one that, while “active”, hides the modifications it
has made to files or boot records. This is usually achieved by
monitoring the system functions used to read files or sectors from
storage media and forging the results of calls to such functions. This
means programs that try to read infected files or sectors see the
original, [...]

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How Computer Viruses Work

April 12th, 2010 · No Comments · Introductions, Q & A, Technology

Strange as it may sound, the computer virus is something of an Information Age marvel. On one hand, viruses show us how vulnerable we are — a properly engineered virus can have a devastating effect, disrupting productivity and doing billions of dollars in damages. On the other hand, they show us how sophisticated and interconnected [...]

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