Trojan.Ransomlock.P
Posted: May 23, 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 |
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Infected PCs: | 7 |
First Seen: | May 23, 2012 |
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OS(es) Affected: | Windows |
Trojan.Ransomlock.P is a ransom Trojan that locks the desktop of the affected computer by making the PC unusable. Trojan.Ransomlock.P then asks the PC user to pay a ransom of 100 Euro to unlock the computer. Once executed, Trojan.Ransomlock.P creates several malicious files. Next, Trojan.Ransomlock.P modifies the registry by creating the certain registry entry so that it can run automatically whenever Windows starts. Next, Trojan.Ransomlock.P also creates and modifies several registry entries in order to disable Registry Editor, Windows Task Manager, and System Configuration. Then, Trojan.Ransomlock.P contacts the certain domain [http://]ogutors-free.com/[REMOVED] and downloads a HTML page that includes ransom information. The page illustrates details about the ransom and suggests a way for the PC user to enter an unlock code that can be received after paying the ransom by making an online transaction via Paysafecard or Ukash.
Aliases
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:decrypted_file.exe
File name: decrypted_file.exeSize: 24.57 KB (24576 bytes)
MD5: c596a2cb629822ae3c086dade6bb1515
Detection count: 63
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: May 28, 2012
file.exe
File name: file.exeSize: 58.36 KB (58368 bytes)
MD5: 3beff4f1c075d0dc16a195c86fa69224
Detection count: 10
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: May 28, 2012
Rechnung.exe
File name: Rechnung.exeSize: 60.41 KB (60416 bytes)
MD5: 0ddd47c31207a3b92e4483f5911df8ed
Detection count: 9
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: May 28, 2012
%USERPROFILE%\rundll32.exe
File name: rundll32.exeSize: 120.83 KB (120832 bytes)
MD5: aac73468e7e525e945b61c3aee41e893
Detection count: 7
File type: Executable File
Mime Type: unknown/exe
Path: %USERPROFILE%
Group: Malware file
Last Updated: April 29, 2013
%UserProfile%\Application Data\[10 RANDOM CHARACTERS]\[20 HEXADECIMAL NUMBERS].exe
File name: %UserProfile%\Application Data\[10 RANDOM CHARACTERS]\[20 HEXADECIMAL NUMBERS].exeFile type: Executable File
Mime Type: unknown/exe
Group: Malware file
%Temp%\[10 RANDOM CHARACTERS].pre
File name: %Temp%\[10 RANDOM CHARACTERS].preMime Type: unknown/pre
Group: Malware file
%System%\[20 HEXADECIMAL NUMBERS].exe
File name: %System%\[20 HEXADECIMAL NUMBERS].exeFile type: Executable File
Mime Type: unknown/exe
Group: Malware file
Registry Modifications
HKEY..\..\{Value}HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"[RANDOM CHARACTERS]" = "%UserProfile%\Application Data\[10 RANDOM CHARACTERS]\[20 HEXADECIMAL NUMBERS].exe"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\"Debugger" = "P9KDMF.EXE"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\"Debugger" = "P9KDMF.EXE"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\"Debugger" = "P9KDMF.EXE"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system\"DisableTaskMgr" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableRegistryTools" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableTaskMgr" = "1"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system\"DisableRegedit" = "1"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\"DisableRegedit" = "1"
Additional Information
# | Message |
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1 | 'Welcome to Windows Update You have been infected with a Windows Verschlusselungs Trojans. For security reasons your Windows system was blocked. Your visit to pages with pornographic content has led to the ransom Trojan infection. This virus encrypts your hard drive with a 256 bit AES Key and a standardized self-ended decryption is not feasible.' |
2 | 'Willkommen bei Windows Update Sie haben sich mit einem Windows-Verschlusselungs Trojaner infiziert. Aus Sicherheitsgrunden wurde lhr Windows system blockiert. Das Besuchen von Seiten mit pornografischen und infizierten Inhalten hat dazu gefuhrt, das lhr System von einem Computerverschlusselungstrojaner befallen wurde. Dieses Virus verschlusselt Ihre Festplatte mit einem 256 Bit AES Shlussel und eine selbststandige Entschlusselung ist nicht mehr machbar.' |
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