Home Malware Programs Downloaders Downloader.Castov


Posted: May 28, 2013

Threat Metric

Ranking: 3,928
Threat Level: 1/10
Infected PCs: 22,407
First Seen: May 28, 2013
Last Seen: May 17, 2023
OS(es) Affected: Windows

Downloader.Castov is a Trojan that downloads files onto the affected computer. Downloader.Castov may then strive to steal information for particular online banking websites. When Downloader.Castov is executed, Downloader.Castov copies itself to the certain location. Downloader.Castov creates the registry entry so that it can run automatically every time Windows started. Downloader.Castov then connects to the specific website, which carries several links to .jpg files. Downloader.Castov then downloads the .jpg files and extracts an encrypted executable from them. Downloader.Castov then decrypts and executes this file. This executable file is then used by Downloader.Castov to steal logon credentials for particular online banking websites.

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Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:

%System%\svohcst.exe File name: %System%\svohcst.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"download" = "%System%\svohcst.exe"

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