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Showing posts with label Anti Virus. Show all posts
Showing posts with label Anti Virus. Show all posts

Beware of Attacks Ramnit Computer Virus

After some horrendous virus like Stuxnet, Sality, Virut and Shortcut, there are now Ramnit that is equally sophisticated. This malicious program is able to 'cooperate' with other viruses to infect the victim.

Yes that's the uniqueness Ramnit compared with other viruses. After infect the victim computer, these malicious programs will download variants of other viruses.

And even more confusing, the type of virus that you download will be different for each target computer either from the name and size. This is what causes many antivirus programs although difficult to perform detection and cleaning.

Based on information received from Vaksincom detikINET, Tuesday (01/02/2011), this virus not only spreads via the Internet, but also through other media such as flash by using the Autorun function.

Another action that will be done by this virus is injected exe files that have extensions, etc. and htm / html file either an application program or Windows file system. Each file is injected will increase in size about 107-109 KB

Beware Stuxnet Impact On Windows 7

Stuxnet threat not only to shadow the user's computer with a system of 'supervisory control and data acquisition "(SCADA), which is widely used in oil and gas companies. Windows 7 and Vista users will also need to be alert.

This was conveyed by Alfons,
antivirus analysts from Vaksincom, on ITGazine, Thursday (13/01/2011). "The threat Stuxnet for a novice user, so not only SCADA. This is an overlooked," said Alfons.


The first threat, Alfons said, the victim Stuxnet so can not store data or run certain programs. This is because disk space is reduced due to swelling Winsta file.

Then, he went on, the computer may hang or slow. Plus the network connection that can be disconnected.

That's because Stuxnet perform injection on some Windows system files. Includes svchost.exe, which is associated with a network connection, as well as related lsass.exe computer activity.

How does a fake Antivirus deceive computer users

How the anti-counterfeit technique spread on the internet. Trick used is quite simple.

True what is said by security researcher software. That many Internet criminals are using underground service. Like Crack search site software, network Peer to Peer - Torrent to Internet sites that distribute songs or video files. Some of them started bersembuyi behind the site.

The first step taken by fake antivirus software makers are making a surprise with the emergence of antiviral that you never installed directly on the monitor screen.

One of them appears on the browser software on screen, an example in the 2 images below. Shown as usual antivirus software that works, but it looks very fast do scaning as if he were checking the computer. Within seconds came a false warning that the computer had been infected by the virus.

Funny thing is a fake antivirus scanning display appears on the page the browser like Firefox. And simulate the appearance of Windows Explorer. Kind of funny, too, an antivirus scanning software can appear similar to Explorer.





 Display details as shown below

Fake antivirus software reported a virus in the computer there are 5. Even adding the Windows Security logo and name three folders and stated that there were viruses on the computer.




After a few seconds that seemed to trick the emergence process is doing a virus scan. Then ending up with a Pop Up (picture below) with a warning.

Look at the Theme being used, using the default standard of Windows XP. Though the setting is used Theme Original Theme with gray-colored bars. While the appearance of fake antivirus using the default Windows theme is blue.

Do not be surprised and panicked at the display screen as below. This is just to scare the victim who happened to be exposed to trap the fake antivirus warning.




If forwarded. After a while there is one more trap will come with a warning that states "your computer at risk Malware". Computer owner be required to click on the icon "OK"



After the "OK", is shown a display software to download, as pictured below



After the download is strange. Silly of fake antivirus software was only 142KB size.




That's one of the techniques criminals on the Internet to spread false warnings by saying your computer is already infected with the virus. What needs to be done if the received view as above:

     * When you get a warning as above. No need to panic and tried to follow step the trap of fake antivirus appearance. Just close your browser.
     * Remember back a new site that you enter and estimate whether you are inadvertently carried away / redirected to weird sites. For example, a file download site, crack software or warez sites and so forth. And avoid returning to the site.
     * If you already display a warning, do not ever try to download the file requested. Because it will put you out for cleaning.
     * If you need to shutdown and restart your computer, if you feel less understood by the new attacks you experience.

If you adhere to the above step, the computer is expected to remain safe and not get caught by the fraud by Internet criminals

Description The above are just some of the techniques used by Internet criminals. It would be much more deceptive and the way they do. Given this is a way to get money.