Virus Database

Macro.Word97.Hubad

Description Macro.Word97.Hubad

The virus spreads in Word documents. When an infected document is opened the virus gains control and infects the global macros area (Normal.dot template). Other documents are infected upon their opening or closing.
The virus has a payload routine that is executed upon document printing. This procedure, before printing a document, inserts at the current cursor position a symbolic picture of women, and removes this picture just after printing. So this picture appears only on paper.

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Jel.841

Description Jel.841

This is a dangerous memory resident encrypted parasitic virus. It hooks INT 21h, and writes itself to the end of COM files that are executed. The virus deletes the anti-virus databases ANTI-VIR.DAT and CHKLIST.MS. On January 12th and August 19th, the virus erases the CMOS. The virus contains the text:
Virus JEL v2.1, Coded by Lock in

Jenifer family

Description Jenifer family

These are not dangerous memory resident encrypted parasitic viruses. They hook INT 21h, 2Ah and write themselves to the beginning of COM and to the end of EXE files that are executed or closed. The viruses do not infect several anti-viruses and utilities: ADINF, WEB, AIDSTEST, SCAN, ARJ, ZIP, LHA, RAR, COMMAND. The viruses have several bugs and in most of cases fail to infect a file or halts the system. Depending on the system timer the viruses display the messages:
"Jenifer.1464": Jenifer v2.0 stealth virus. 13/05/97
"Jenifer.1466": Jenifer v2.0 stealth virus. 06/01/96

The viruses also contain the text strings:
NFEBSTANRJIPHAARND
EXECOMMAND

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