Downloader.Instas
Posted: June 15, 2012
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
| 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.exeSize: 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.exeSize: 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].dllFile type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
More files
Registry Modifications
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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