This Trojan downloads other programs via the Internet without the knowledgeor consent of the user and launches them on the victim machine. The programitself is a Windows PE EXE file. It is 36,352 bytes in size. It is writtenin Borland Delphi.Once launched, the Trojan downloads a file from the following URL: http://counter.****s.com/2/dk.exe (At the moment of writing, this link was not working.) If the file is successfully downloaded, it will be saved to the C: root directoryas alpha.exe: C:\alpha.exe The file will then be launched for execution. The Trojan also adds the following buttons to Internet Explorer: by creating the following registry keys and parameters: [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}] "ButtonText"="SEARCH" "HotIcon"="shell32.dll,5" "Icon"="shell32.dll,4" "Exec"="http://www.google.com.super-fast-search.apsua.com/find.htm" "CLSID"="{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" "Default Visible"="Yes" [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}] "ButtonText"="ENTERTAINMENT" "HotIcon"="shell32.dll,12" "Icon"="shell32.dll,13" "Exec"="http://www.google.com.super-fast-search.apsua.com/av.htm" "CLSID"="{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" "Default Visible"="Yes" [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}] "ButtonText"="PILLS" "HotIcon"="shell32.dll,181" "Icon"="shell32.dll,180" "Exec"="http://www.google.com.super-fast-search.apsua.com/med.htm" "CLSID"="{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" "Default Visible"="Yes" [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}] "ButtonText"="SECURITY" "HotIcon"="shell32.dll,194" "Icon"="shell32.dll,45" "Exec"="http://www.google.com.super-fast-search.apsua.com/check.htm" "CLSID"="{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" "Default Visible"="Yes" [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}] "ButtonText"="SEARCH" "HotIcon"="shell32.dll,157" "Icon"="shell32.dll,155" "Exec"="http://www.google.com.super-fast-search.apsua.com" "CLSID"="{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}" "Default Visible"="Yes" The Trojan also creates the following registry keys which will act as redirectswhen Internet Explorer is used: [HKLM\Software\Microsoft\Windows\CurrentVersion\URL\DefaultPrefix] "(default)"=http://www.google.com.super-fast-search.apsua.com/c/c.pl?url= [HKLM\Software\Microsoft\Internet Explorer\Search] "CustomizeSearch"="http://www.google.com.super-fast-search.apsua.com/search.htm" "SearchAssistant"=http://www.google.com.super-fast-search.apsua.com/search.htm [HKCU\Software\Microsoft\Internet Explorer\Main] "Start Page"=http://www.google.com.super-fast-search.apsua.com/fast-find.htm [HKCU\Software\Microsoft\Internet Explorer\SearchUrl] "provider"="" If your computer does not have an up-to-date antivirus, or does not have anantivirus solution at all, follow the instructions below to delete the maliciousprogram: - Use Task Manager to terminate the Trojan process.
- Delete the original Trojan file (the location will depend onhow the program originally penetrated the victim machine).
- Delete the file called alpha.exe from the C: root directory:
C:\alpha.exe - Delete the following registry keys:
[HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}] [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}] [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}] [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}] [HKLM\Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}] - Delete the following system registry key parameters:
[HKLM\Software\Microsoft\Windows\CurrentVersion\URL\DefaultPrefix] "(default)" [HKLM\Software\Microsoft\Internet Explorer\Search] "CustomizeSearch" "SearchAssistant" [HKCU\Software\Microsoft\Internet Explorer\Main] "Start Page" [HKCU\Software\Microsoft\Internet Explorer\SearchUrl] "provider" - Update your antivirus databases and perform a full scan of thecomputer (download a trial version of Kaspersky Anti-Virus).
Printed From:http://www.viruslist.com/en/viruses/encyclopedia?virusid=50399
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