Virus:Win32/Drowor.B
Posted: February 15, 2013
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: | 8/10 |
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Infected PCs: | 23 |
First Seen: | February 15, 2013 |
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Last Seen: | July 2, 2020 |
OS(es) Affected: | Windows |
Virus:Win32/Drowor.B is a virus that affects portable executable (PE) files, such as EXE, DLL, SCR and SYS files on the affected computer including removable drives. Virus:Win32/Drowor.B ends security processes usually related to security programs from running and overwrites some of their code, which means that a PC user may have to reinstall infected security programs. When installed, Virus:Win32/Drowor.B makes system changes by dropping potentially malicious files from remote servers and making registry modifications. The files dropped by Virus:Win32/Drowor.B may be other malware threats, or updated versions of a virus. Virus:Win32/Drowor.B then overwrites part of the malicious file. Virus:Win32/Drowor.B will make security programs on the compromised PC to run not properly. Virus:Win32/Drowor.B adds a copy of itself as 'services.exe'. Virus:Win32/Drowor.B creates the registry entry to assure it runs automatically every time you start Windows.
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:%AppData%\Microsoft\Windows\Cookies\cf
File name: %AppData%\Microsoft\Windows\Cookies\cfGroup: Malware file
%AppData%\Microsoft\Windows\Cookies\rua
File name: %AppData%\Microsoft\Windows\Cookies\ruaGroup: Malware file
%AppData%\Microsoft\Windows\Cookies\ru
File name: %AppData%\Microsoft\Windows\Cookies\ruGroup: Malware file
[system folder]\[random hex number]\services.exe
File name: [system folder]\[random hex number]\services.exeFile type: Executable File
Mime Type: unknown/exe
Group: Malware file
Registry Modifications
HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "services" = "[system folder]\[random hex number]\services.exe"
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