OneStep.K is an Adware. Adware, or advertising-supported software, is any software that automatically renders advertisements in order to generate revenue for its author. The advertisements may be in the user interface of the software or on a screen presented to the user during the installation process. It is usually annoying but harmless, unless it is combined with spyware or trackware.
File Related Changes
It drops the following file(s) on the system:
- "c:\ProgramData\QueryExplorer\queryexplorer138.exe"
- "c:\Program Files\QueryExplorer\uninstall.exe"
- "c:\Program Files\QueryExplorer\queryexplorer.dll"
- "c:\Users\Admin\AppData\Local\Temp\nslE784.tmp\queryexplorer.exe"
- "c:\Program Files\QueryExplorer\queryexplorer.exe"
- "c:\Users\Admin\AppData\Local\Temp\stbDB92.tmp\setup.exe"
- "c:\Users\Admin\AppData\Local\Temp\nslE784.tmp\uninstall.exe"
- "c:\Users\Admin\AppData\Local\Temp\nslE784.tmp\queryexplorer.dll"
- "c:\Users\Admin\AppData\Local\Temp\nspE71F.tmp\System.dll"
Process Related Changes
It creates the following mutex(es):
- "cwvncbmiebiro"
- "IESQMMUTEX_0_208"
- "tsa4bsusyes5m"
It creates the following process(es): - C:\Users\Admin\AppData\Local\Temp\nslE784.tmp\queryexplorer.exe
- C:\Users\Admin\AppData\Local\Temp\stbDB92.tmp\setup.exe
- C:\Windows\system32\cmd.exe [ ping 127.0.0.1 -n 2 ]
Network Activity
It attempts to connect to the following remote servers: - upgrade.queryexplorer.com.cdngc.net:80 (174.35xxxxxx)
- ocsp.comodoca.com:80 (178.25xxxxxx)
We observed the following DNS query/queries: - ocsp.comodoca.com
- upgrade.queryexplorer.com
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