Trojan.Win32.TopAntiSpyware.l
Description Trojan.Win32.TopAntiSpyware.l
This Trojan is a Windows PE EXE file approximately 36KB in size. When installing itself to the victim machine, the Trojan copies itself to the Windows system directory as winnook.exe: %System%winnook.exe It then creates the following system registry value to ensure that the Trojanall
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Screen_II.1387
Description Screen_II.1387
This is a very dangerous memory resident parasitic virus. It hooks INT10h and 21h, and writes itself to the end of EXE files that are executed or opened. Depending on the system date and their counters, the virus "shifts" the screen.
It also hooks INT 13h, and starting from 10th of each month, corrupts some files while writing to them. On the same days, this virus also writes a Trojan program to the end of infected EXE files instead of infecting them. When executed, this program erases the hard drive sectors.
ScreenMixer.1072
Description ScreenMixer.1072
It is not a dangerous memory resident partly encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or accessed by FCB FindFirst/Next DOS calls (DIR command). Depending on the system timer the virus mixes the letters on the screen.
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