Jerk
Aliases: O97M/Jerk
Type: Polymorphic macro virus
Systems Affected:
Payload: Displays a message on the 14th of months June - December. The message box is titled "Class.Poppy" and the message displayed is "I think (insert username) is a big stupid jerk!" A second variant titles the message box as "www.all.net" and the corresponding message is "V guvax (insert username) vf n ovt fghcvq wrex!"
ITW: Yes
Origin:
Description:Jerk infects Word's global template and all open workbooks in Excel. As subsquent Word documents are used, they are infected upon closing. VARIANT: Jerk.B
What to look for:
How to prevent it: Enable macro protection in Office products to prevent unauthorized macros from running. Keep antivirus software up-to-date, save and scan all files newly introduced to the system before running. See the Macro Virus subject for other tips on protecting your system.