Virus:W32/Gpcode.AK

Classification

Malware

Virus

W32

Virus.Win32.Gpcode.AK

Summary

Gpcode.AK is "ransom-ware" that intends to extort money from the victim by encrypting data files. It requires the victim to order the malware author's custom tool to restore the encrypted data.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

Find out more

Knowledge Base

Find the latest advice in our Community Knowledge Base.

User Guide

See the user guide for your product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details

Gpcode.AK searches drives C to Z for the following file types on the system:

  • 7z
  • abd
  • abk
  • acad
  • ace
  • arh
  • arj
  • arx
  • asm
  • bak
  • bcb
  • bz
  • bz2
  • c
  • cc
  • cdb
  • cdr
  • cdw
  • cer
  • cgi
  • chm
  • cnt
  • cpp
  • css
  • csv
  • db
  • db1
  • db2
  • db3
  • db4
  • dba
  • dbb
  • dbc
  • dbd
  • dbe
  • dbf
  • dbm
  • dbo
  • dbq
  • dbt
  • dbt
  • dbx
  • djvu
  • doc
  • dok
  • dpr
  • dwg
  • dxf
  • ebd
  • eml
  • eni
  • ert
  • fax
  • fjs
  • flb
  • frg
  • frm
  • frt
  • frx
  • gfa
  • gfd
  • gfr
  • gtd
  • gz
  • gzip
  • h
  • hpp
  • htm
  • html
  • iges
  • igs
  • inc
  • jad
  • jar
  • java
  • jfi
  • jpe
  • jpeg
  • jpg
  • jsp
  • key
  • kwm
  • ldiflst
  • ldr
  • lsp
  • lzh
  • lzw
  • man
  • mdb
  • mht
  • mmf
  • mnb
  • mns
  • mnu
  • mo
  • msb
  • msg
  • mxl
  • old
  • p12
  • pak
  • pas
  • pdf
  • pem
  • pfx
  • pgp
  • php
  • php3
  • php4
  • pl
  • pm3
  • pm4
  • pm5
  • pm6
  • prf
  • prx
  • pst
  • pw
  • pwa
  • pwl
  • pwm
  • rar
  • rmr
  • rnd
  • rtf
  • safesar
  • sig
  • sql
  • tar
  • tbb
  • tbb
  • tbk
  • tdf
  • tgz
  • txt
  • uue
  • vb
  • vcf
  • wab
  • xls
  • xml

It then encrypts the discovered files using an RSA algorithm and renames them with a ._CRYPT extention and deletes the original files. As a ransom note, it drops the file !_READ_ME_!.txt to the directory that requires the victim to buy a custom decrypting tool from the malware author.

Date Created: 2008-06-08 22:03:26.0

Date Last Modified: 2008-06-09 12:36:25.0