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Acanze.A


Aliases:


Acanze.A
Acanze.A
Acanze

Malware
Worm
W32

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.



Disinfection & Removal

Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details

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:

Detection Type: PC
Database: 2005-03-08_03





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