F-Secure: Be Sure
Main
F-Secure Logo - Be Sure
Select local site


Privacy Policy
Legal Notices
Contact Us

F-Secure Virus Descriptions : Acanze

[Summary] | [Detailed Description] | [Detection]



NAME:Acanze

Summary

Acanze.A is simple email worm of Italian origin written in Visual Basic. Due to the coding techiques used, the worm will only work properly under Italian Windows versions.

Detailed Description

Upon execution, Acanze.A will create a hidden, system file named 'login.bat' into %WINDOWS% directory. It will then set a registry key:

  HKLM\Software\Microsoft\Windows\CurrentVersion\Run\msnmsgr = "C:\WINNT\login.bat"

The key allows Windows to start the bat file each time a user logs on. Under Italian versions of Windows, additional files will be dropped, and the attributes to both file set to hidden, system.

  %WINDOWS%\SYSTEM\HOTPLUG.dll
  C:\Programmi\Windows NT\netapi.dll

The worm will then check whether a connection to an Italian site can be established. If so, it will create e-mail messages containing copy of its body and send them to recipients in Outlook's Contact list.

Detection

Detection for this malware was published on March 8th, 2005 in the following F-Secure Anti-Virus updates:

[FSAV_Database_Version]

Version=2005-03-08_03


Back to the Top


Write-up: Katrin Tocheva & Tzvetan Chaliavski, March 8th, 2005;

F-Secure Corporation