Welcome to the Virus Encyclopedia of Panda Security.
|Effects: ||It infects Word 97 documents and the global template, disables the macro antivirus protection and preventing users from working with macros. It displays messages on screen and disables the About Microsoft Word option in the Help menu.
|Detection updated on:||Nov. 13, 2002|
Chack.A is a macro virus that affects Word 97 documents, as well as the global template used by this application.
Chack.A uses the usual means of infection used by macro viruses. Firstly, it infects the global template. Then, it infects all the documents opened, closed or saved in the affected computer.
In addition, Chack.A disables certain Word options and, on Fridays it displays a message on screen when the user of the affected computer closes the Word program.
Chack.A is very easy to identify, as every Friday, if the user of the affected computer uses Word, the virus displays a message when the program is closed. This message consists of an image and a checkbox with two buttons.