Home Malware Programs Trojans Trojan.Ransomlock.AI

Trojan.Ransomlock.AI

Posted: September 19, 2013

Threat Metric

Threat Level: 10/10
Infected PCs: 7
First Seen: September 19, 2013
Last Seen: September 10, 2021
OS(es) Affected: Windows

Trojan.Ransomlock.AI is a Trojan that locks the desktop making the targeted computer unusable. Trojan.Ransomlock.AI then asks the attacked PC user to pay a supposed fine to unlock the computer. When executed, Trojan.Ransomlock.AI creates the potentially malicious file. Trojan.Ransomlock.AI then disables task switching and hides the taskbar. Next, Trojan.Ransomlock.AI creates the registry entry so that it can execute whenever Windows is started. Trojan.Ransomlock.AI then creates the registry entry to disable Task Manager. Trojan.Ransomlock.AI then hides the desktop and shows a bogus blue screen asking the computer user to contact a specified QQ number to purchase a password. Next, Trojan.Ransomlock.AI asks the computer user to press the F10 key in order to enter the password and unlock the computer. All other keys may be disabled until the F10 key is pressed.

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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%\WinLockDll.dll File name: %System%\WinLockDll.dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\"blue" = "\"%CurrentFolder%\[ORIGINAL FILE NAME].exe\""HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableTaskMgr" = "1"
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