Category: Malware

Type: -

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

Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.

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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.