Threat description


Platform: W32
Aliases: Sic, Classic


XF/Sic is a simple Excel formula virus. It spreads when Excel documents are opened.

The virus contains these texts:

Classic.Poppy by VicodinES         With Lord Natas         An Excel Formula Macro Virus (XF.Classic)         Hydrocodone/APAP 10-650 For Your Computer         (C) The Narkotic Network 1998  


Automatic action

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.

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Technical Details

The virus activates at 06:30 and 18:30, if an infected sheet is open. On 06:30, it displays this text in the status row of Excel:

VicodinES and Lord Natas greet you a good morning!  

At the same time, the title of Excel is changed from "Microsoft Excel" to "XF.Classic.Poppy".

At 18:30, it displays two dialog boxes, with these texts:

XF.Classic.Poppy by VicodinES         (c) 1998 The Narkotic Network  

The virus assign it's macro to the user sheets.This can cause sometimes an error message when Excel open/close already disinfected files.

Technical Details:Mikko Hypponen & Katrin Tocheva


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