W32.Morto.B
Posted: July 11, 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: | 2/10 |
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Infected PCs: | 12 |
First Seen: | July 11, 2012 |
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OS(es) Affected: | Windows |
W32.Morto.B is a worm that circulates through removable drives and by using Remote Desktop Protocol (RDP) connections. W32.Morto.B attempts to open the Remote Desktop Protocol (RDP) connection on PCs in the local network by using common user name and password combinations. W32.Morto.B also affects executable files detected on the infected computer. Once executed, W32.Morto.B inserts itself into the svchost.exe service. W32.Morto.B may also affect other executable files on the targeted PC. W32.Morto.B then copies itself to the certain location. W32.Morto.B affects the certain file by inserting itself into the last section of the file. W32.Morto.B creates several registry entries to register itself as a system service and store data as well its copy. W32.Morto.B then modifies a few registry entries to disable certain system settings. W32.Morto.B also modifies the certain registry entries to disable security programs.
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%\wmicuclt.exe
File name: %System%\wmicuclt.exeFile type: Executable File
Mime Type: unknown/exe
Group: Malware file
%System%\wscript.exe
File name: %System%\wscript.exeMime Type: unknown/exe
Group: Malware file
Registry Modifications
HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"Start" = "2"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"ErrorControl" = "0"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\Security\"Security" = "[WORM BODY IN HEXADECIMAL CHARACTERS]HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"WOW64" = "2"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"DisplayName" = "Remote Access Connection Service"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"ImagePath" = "%System%\wmicuclt.exe"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\wmicucltsvc\"(Default)" = "Service"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"Description" = "Stores security information for local user accounts."HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"Type" = "20"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wmicucltsvc\"ObjectName" = "Local System"HKEY_LOCAL_MACHINE\SYSTEM\Select\"pu" = "[DATA]"HKEY_LOCAL_MACHINE\SYSTEM\Select\"p" = "[DATA]"HKEY_LOCAL_MACHINE\SYSTEM\Select\"v" = "[WORM BODY]"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\"DontshowUI" = "1"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows\"NoPopUpsOnBoot" = "1"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\a2AntiMalware\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\FSORSPClient\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\ekrn\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MsMpSvc\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\360rp\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\zhudongfangyu\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\V3 Service\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AntiVirService\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\kxescore\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\kxesapp\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\FSMA\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\F-Secure Gatekeeper Handler Starter\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AVGwd\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AVGIDSAgent\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\vsserv\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\mcshield\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\NIS\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\avast! Antivirus\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\mcods\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\amsp\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PavFnSvr\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\pavsrv\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\RsRavMon\"Start" = "4"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SavService\"Start" = "4"
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