GoogleDownload.exe – trojan-downloader VB

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:

The file GoogleDownload.exe is identified as the Trojan Program that is used for stealing bank information and users passwords.
To delete GoogleDownload.exe we recommend you to use UnHackMe:
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Malware Analysis of GoogleDownload.exe
Executed: out.exe
Removed: GoogleDownload.exe. Full path: C:\Documents and Settings\Administrator\Application Data\GoogleDownload.exe

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Detected by UnHackMe:

Item Name: GoogleDownload
Author:
Related File: C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\APPLICATION DATA\GOOGLEDOWNLOAD.EXE
Type: Registry Run

Item Name: GoogleDownload.exe
Author:
Related File: C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\APPLICATION DATA\GOOGLEDOWNLOAD.EXE
Type: Running Processes

Removal Results: Success
Number of reboot: 1

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How to quickly detect malware presence?

Registry: HKLM\Software\Microsoft\Windows\CurrentVersion\Run\GoogleDownload
Value: “C:\Documents and Settings\Administrator\Application Data\GoogleDownload.exe”

Files:
C:\Documents and Settings\Administrator\Application Data\Microsoft\Google\s.txt
C:\Documents and Settings\Administrator\Application Data\GoogleDownload.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165046.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165048.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165100.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165104.bat
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\nswg.dll
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\System.dll
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Classification:

Antivirus Version Last Update Result
F-Secure 9.0.16160.0 2011.03.03 -
Kaspersky 7.0.0.125 2011.03.03 Trojan-Downloader.Win32.VB.agaw
Microsoft 1.6603 2011.03.03 -
NOD32 5924 2011.03.03 Win32/TrojanDownloader.VB.PAB

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MD5 1b6c1d2d587c37231add871081a5646d

SHA1 93e3d2621b1e710d7694196335ba076c63abba99

SHA256 46da43898ec462e613c5fc0d627b8d2e61da3b4405d237b17dbfb6b018ecfa66

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Installation
When the program is executed, it creates the following registry subkeys and values:

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Values deleted:1
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HKCU\Software\Macromedia\FlashPlayer\FlashPlayerVersion: “10.1.102.64~installVector=1″

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Values added:1
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HKLM\Software\Microsoft\Windows\CurrentVersion\Run\GoogleDownload: “C:\Documents and Settings\Administrator\Application Data\GoogleDownload.exe”

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Files added:20
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C:\Documents and Settings\Administrator\Application Data\Microsoft\Google\s.txt
C:\Documents and Settings\Administrator\Application Data\GoogleDownload.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165046.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165048.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165100.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\38201165104.bat
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\Background.png
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\blowfish.dll
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\button-active.gif
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\button.gif
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\Components.html
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\Final.html
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\nswg.dll
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\System.dll
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\welcomebg.gif
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\welcomepage.html
C:\Documents and Settings\Administrator\Local Settings\Temp\nsv7.tmp
C:\Documents and Settings\Administrator\Local Settings\Temp\~DF28EF.tmp
C:\Documents and Settings\Administrator\Local Settings\Temp\~DF84D0.tmp
C:\Documents and Settings\Administrator\Local Settings\Temp\~DFEA9.tmp

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Folders added:3
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C:\Documents and Settings\Administrator\Application Data\Microsoft\Google
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp
C:\Documents and Settings\Administrator\Local Settings\Temp\nsk8.tmp\downloads

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Total changes:25
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Recommended software:
UnHackMe anti-rootkit and anti-malware
http://www.unhackme.com
RegRun Security Suite (Good choice for removal and protection)
http://www.regrun.com


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