Threat Description

PayCheck

Details

Aliases:PayCheck, Bukit
Category: Malware
Type:
Platform: W32

Summary



For more information on Word macro viruses, see the description of WordMacro/Concept.

WordMacro/PayCheck is an encrypted macro virus. It contains seven macros: AutoExec, AutoOpen, FileSave, FileSaveAs, ToolsMacro, ShellOpen, FileOpen.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



PayCheck actives on the 25th of any month. At this time it displays this dialog box:

 Selamat
Sekarang adalah tanggal 25, sudahkah anda mengambil gaji?
He..he..Selamat. Kalau bisa, lebih keras lagi kerjanya.
Bravo Bukit Asam !!!

Opening the File/SaveAs menu might display this dialog box:

 Non Critical Error
Internal error was occured in module UNIDRV.DLL
Your application may not be work normally.
Please contact Microsoft Product Support.

Opening the Tools/Macro menu might display this dialog box:

 Critical Error
Internal error was occured in module UNIDRV.DLL
Please contact Microsoft Product Support.

PayCheck was reported to be in the wild in fall 1997.





Description Created: Mikko Hypponen, F-Secure


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