Saturday, August 29, 2009

THINGS YOU NEED TO DO AS USER

THINGS YOU NEED TO DO AS USER

As an program user, there are few things you need to do to minimize the risk of using antivirus:
• Find a good antivirus, good means that the program is trusted to detect and clean the exist viruses. Don’t take promises form vendors. Try to find comparison from different from articles and internet.
• Always use new antivirus, you can download them from internet or from magazines. Old have big risk if you use them more than 6 month.
• Make backup data and program that you think important for you.
• Do the cleaning process correctly if you found a virus.
• Make sure that your program is original, there are chances for someone to change the antivirus, or infect it with a virus.
• Call the expert if you think you can not handle the virus inside your computer or network.

Friday, August 28, 2009

The Danger Of Antivirus Program

The Danger Of Antivirus Program
By The Gadgets!

Since the first time found, virus has very big evolutions, so is program. Unfortunately, program evolution ussualy only follow the virus evolution too, not ahead of it. Expired (in technology) will be danger for users.

When viruses detected, new viruses will always born with newest technology and make become powerless. Old for example, can be cheat with “stealth” technology, so when try to detect other files, stealth virus will spread themselves to every checked files.

You often read about “specific” programs which mean to detect one kind of virus. Ussualy the programmer did not tell you the right way how to use the program, in fact that specific has a big risk if you don’t use it correctly.

Specific can only detect one kind of virus (and maybe some of the varian) and ussualy paralized the virus in memory. If you found a virus and you know the virus name, you can use this kind of antivirus. But if you are not sure with the name of the virus, you better not try it. And if there are other virus in your computer, which obviously not detected by your antivirus, then this will be a trigger for the other virus and spread them to all scanned files.

The most frighten danger is that if is mistaken to detect a virus and clean it and caused a program you try to fix become broken.

THE DANGER SOURCE OF PROGRAM

Antivirus could be danger because of the following reasons:

• Some programs only use simple technique which will be easily trickked by virus programmer. For example, if program only checked in few byte in header of the virus, virus programmer could make other version of the same virus (varian) with the same header, but different in other important part, like encryption routine/ header description. This will make an a file destroyer, not file saver. Some can also be cheated by change the signature file. Signature file is file that contain ID from every virus known by antivirus, if the Id is changed, then won’t recognise them. Good should always check if the signature file is changed.

• An program doesn’t create backup file cleaned. Mostly an program (specially the specific) don’t provide media to create backup file, eventhough this is very important just in case the scanning process fail.

• An anitvirus program doesn’t do self check. Self check is necessary, an program could be change by other people (beside the programmer) before it come to the user. Commercial programs ussualy doing self check to make sure they are not changed by anyone, but some don’t do this, and this is danger. On local programs, which usually included by some computer article, include the source code, you better compile the source your self if you hesitate to the original file exe.

• program residen can be non activated easily. Good residen should be undetected and uninstall easily. Bad residen sample is VSAFE (in DOS package). VSAFE is detectable and turn off from interrupt (try to learn/debug VSAFE program in DOS). Users will get the fake safe feeling by using this kind of antivirus. Better not safe at all than fake safe.

• program don’t warn for expired date. By the time, new viruses will come with their newest technique. A good will warn you if they are out of date. This is necessary to avoid the “antivirus spreading virus” case.

Save Your Computer With Antivirus Programs

Save Your Computer With Antivirus Programs
by: Erik Nielsen

Specially designed softwares affect stability of the systems, and these software programmes may be malwares. Antivirusprograms consist of computer programs that aim to identify and reduce computer viruses and other harmful softwares or malwares. An infected system or machine shows certain suspicious behaviors, which seems irregular or abnormal. Several antivirusprograms and anti-malware programs can be of great use for preventing the required attempts of these viruses to affect the nature of the system. If one program attempts to write data on an executable program, the antivirusprograms can determine this suspicious behavior, alert a user and ask for further directions. Anti-malwares are exceedingly essential as nowadays with the technological advancement it is necessary to communicate electronically.

For personal computer users it is essential to prevent the viruses. Anti viruses are essential as these are designed to keep personal computer users aware about the latest signatures within the anti-malware industry. Anti–malwares cautiously examines the files and scans and checks if any viruses are found. The deletions of the found viruses are possible using the anti-malwares. Antivirusprograms are extensively used for better maintenance of systems. With the spread of viruses using electronic mail, their infection vector could be spread far more inexpensively and effectively. Without the need to install additional antivirus software, the attachment can be well scanned before downloading.

Besides installing the anti-malware, user education is extremely important. As malware is specific software, designed to damage a computer system without the owner’s consent, it has been named after blending the words “malicious” and “software”. Many ordinary computer users are till date not aware about the antivirusprograms. Basically, the expression is a mixed term used by the computer professionals. Moreover, it is worth mentioning that the normal computer users should be well aware about the viruses, which immensely affects the computers. The term malware has been newly coined.

In the past few years, the fact has been revealed that the main intention of creating the malware is for enhancing financial frauds. This has been a major cause behind the popularity of anti-malware. As most computers consist of bugs, malware can effectively track them. So, it is indeed essential to effectively track the self-replicating viruses using the anti–malware. Antivirusprograms help in maintenance of the system’s security and moreover it protects against the malwares.

It is most crucial to note that malware is a broader category of virus, which can be highly detrimental for a computer system. Some viruses are programmed to spoil the computer by damaging programs, deleting files, or even reformatting the hard disk. Others are not designed to do any damage, but purely to replicate themselves and make their presence known by presenting text, video, audio messages etc. To prevent data loss and system crashes antivirusprograms are of high importance. Computer viruses can be also spreaded through messaging. To ensure that the computer is protected from malwares, a working antivirus program is highly necessary.