Home Malware Programs Trojans Downloader.Instas

Downloader.Instas

Posted: June 15, 2012

Threat Metric

Threat Level: 9/10
Infected PCs: 45
First Seen: June 15, 2012
OS(es) Affected: Windows

Downloader.Instas is a Trojan that drops other malware threats on to the infected computer. Once executed, Downloader.Instas copies itself to the certain location. Downloader.Instas creates the particular registry entry so that it can run automatically every time you start Windows. Downloader.Instas connects to a few locations to drop and run other malware infections on the affected computer that can harm the compromised PC. Downloader.Instas may open a backdoor that will allow remote attackers to gain remote control and access over the affected computer system without the PC user knowing about it.

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:



file.exe File name: file.exe
Size: 136.7 KB (136704 bytes)
MD5: 6b728d6a0b90607811490426714d3460
Detection count: 72
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: June 18, 2012
lerte.exe File name: lerte.exe
Size: 141.82 KB (141824 bytes)
MD5: b8dfd256546fa399dc42f404a95e6d26
Detection count: 69
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: June 18, 2012
%Temp%\[RANDOM CHARACTERS FILE NAME].dll File name: %Temp%\[RANDOM CHARACTERS FILE NAME].dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file

More files

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"[RANDOM CHARACTERS FILE NAME]" = "rundll32.exe "%Temp%\[RANDOM CHARACTERS FILE NAME].dll",SteamClient"
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