6. Sasser (2004)
In May 2004, computer experts had deal with four variations of worm that had spread to the Windows operating system. The worm was known as SasserA, SasserB,SasserC and SasserD. The worm had targeted Windows 2000 as well as other Windows operating system like Windows 95, Windows 98 and Windows XP and Windows ME. Also See: 10 people who sold their soul to the devil (With Pictures)
According to a security expert at Ohio, the worm Sasser was aggressive and has the ability to replicate quickly.
What makes things more complicated is that an email circulated in the net, which promised a “fix” to remove the Sasser worm, but they said “fix” also contained another virus known as Netsky-AC.
Experts believed that there was a linked between the creators of Sasser and Netsky.
Most computer virus needs human intervention to spread but Sasser used vulnerability of LSASS and then, scan several internet addresses until it could use a system. Then, it copies itself to the directory of the Windows as an executable file and it is then launched the next time your pc is booted.
One symptom that your pc is affected when the pc restart every time you try to go online. Sasser can spread from one machine to another.
Sasser had affected Taiwanese Post office, banks in Scandinavia and a train system in Sydney Australia.
When police investigated the creator of the virus, it was learned that an 18-year-old German high school student had admitted creating the virus. The teenager was arrested in the town of Rotenburg in Northern Germany with the help of Microsoft and FBI but he was later released.
Experts believed that Sasser had infected more than a million computers and had knocked out several computer systems. Disruption of large companies was also blamed to Sasser.
Discussion about this post