Viruses spreading files appear strong in April

In April, the virus spreads again and again in a number and speed spread faster after more than a year of absence. These viruses "adhere" to Internet worms, taking advantage of the spread of these worms to "crawl" from one computer to another, the work that previously infected files typically take weeks , monthly to do.

According to information from BKIS Network Security Center, compared to the previous month, the number of computers infected with viruses increased by 20%. The number of infected computers is 3,357,000. The number of new viruses that appeared in the month was 345 viruses. So on average, 11.5 viruses appear in a day

The most widespread virus in the month is the W32 virus. CatchYMK.Worm. The virus is spread through both Yahoo! Messenger and USB. These are the two most common ways of spreading the virus in Vietnam, infecting a large number of computers: 108,000.

List of 10 most infectious viruses in the month:

No.

Virus name

Infection rate

first

W32.CatchYMK.Worm

3.24%

2

W32.CatchYM.Worm

2.65%

3

W32.CTFMonF.Worm

2.52%

4

W32.DakNongB.Worm

2.34%

5

W32.Flashy.Worm

2.34%

6

W32.DelfA.Worm

2.24%

7

W32.QQRobD.Worm

2.13%

8

W32.PerlovegaA.Worm

2.10%

9

W32.PerlovegaB.Worm

1.96%

ten

W32.TufikB.PE

1.79%

Also in April, 29 Vietnamese websites were attacked, of which 22 websites were attacked by domestic hackers, the rest by foreign hackers.

Thuy Linh