Virus Database

Trojan.Win32.VFL

Description Trojan.Win32.VFL

This is a Trojan horse that sets several Windows parameters on a network so that it can set, under the author's name, a 100% increase in Internet speed (for details, see http://www.optimizator.ru). Upon program installation, the program substitutes the SHDOCLC.DLL system file. As a result, when a requested Internet Explorer is displayed, a user is transferred to http://vfl.ru/js (henceforth the virus' name). Upon deleting this program from a computer, the SHDOCLC.DLL file is altered.
This malicious program is a Trojan because of the following characteristics:
- It changes Windows system files unbeknownst to a user;
- It doesn't have full uninstalling procedures;
- Upon program deleting, the SHDOCLC.DLL system file is not restored;
- It allows for the use of modified SHDOCLC.DLL files installed on a computer for malevolent (bad) purposes

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Pcflu.763.a

Description Pcflu.763.a

This is a dangerous memory resident parasitic virus. It copies itself to the system memory at the address 9A00:XXXX, and does not fix MCB list. That may halt a PC. The virus also looks in the memory for TSR antiviral monitors, and tries to bypass them. Then it hooks INT 21h and writes itself to the end of COM files that are executed or opened.

Pcflu.802

Description Pcflu.802

This is a dangerous memory resident parasitic virus. It copies itself to the system memory at the address 9A00:XXXX, and does not fix MCB list. That may halt a PC. The virus also looks in the memory for TSR antiviral monitors, and tries to bypass them. Then it hooks INT 21h and writes itself to the end of COM files that are executed or opened.

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