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.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
More information on scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
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 Details: Mikko Hypponen, F-Secure