GoldBug
Description GoldBug
GoldBug is a not dangerous memory resident multipartite stealth virus. This virus will only replicate on '286 computers and higher running DOS 5.0 or higher, and only if the user stashes the operating system in UMB (Upper Memory Blocks).
The virus copies itself in High Memory Area, hooks INT 13h, 21h and infects MBR of hard drive, boot sectors of 1.2M floppies and EXE-files are accessed. On infection of the files this virus uses companion and polymorphic technology.
This virus contains the internal text strings:
CHKLIST????
1O7=0SLMTA
The virus outputs the last string (backward) to the modem port: "ATMLS0=7O1".
Check other viruses! Be aware! Use Antiviral Software
Macro.Word.Catch
Description Macro.Word.Catch
This encrypted macro virus contains six macros: AutoOpen, encrypt1, FileSave, AutoClose, infectdoc, infectnorm. It infects the global macros area on opening an infected document (AutoOpen) and copies itself to other documents on their opening.
The virus replaces (mixes) in document the characters: "i" <-> "o", "a" <-> "e". This mixing is not visible in documents under infected system conditions: when documents are opened, the virus replaces these letters back to original state. When documents are saved, the virus replaces the letters again. After each replacing the virus displays the dot to the StatusBar.
On document closing depending on the system random counter the virus displays the message:
Its a Catch 22 Situation!
Macro.Word.Cc
Description Macro.Word.Cc
This German specific Word virus contains five macros: wss, AutoExec, AutoOpen, DateiSpeichern, DateiSpeichernUnter. It replicates on the document opening or closing (AutoOpen, DateiSpeichern). Starting from 4th of any month on saving a document with new name the virus sets for it the "cc" password.
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