Library / Windows
unlodctr.exe
Unload PerfMon Counters · Microsoft Corporation
WindowsSysmon-confirmed
OriginalFilename
UNLODCTR.EXE
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\unlodctr.exe'
- OriginalFileName: 'UNLODCTR.EXE'
condition: selectionprocess_creation logsource. Sigma string matching is case-insensitive.
| tstats summariesonly=false count values(Processes.original_file_name) as original_file_name
from datamodel=Endpoint.Processes
where (Processes.original_file_name="UNLODCTR.EXE" OR Processes.process_name="unlodctr.exe")
by Processes.dest Processes.process_name Processes.process_path Processes.process
| rename Processes.* as *Endpoint.Processes data model. On raw Sysmon events the field is OriginalFileName.
DeviceProcessEvents
| where ProcessVersionInfoOriginalFileName in~ ("UNLODCTR.EXE")
or FileName =~ "unlodctr.exe"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("UNLODCTR.EXE") or
process.name : "unlodctr.exe")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['unlodctr.exe'].includes(String(OriginalFileName || '').toLowerCase())Filter expression (JavaScript) for events carrying Sysmon's OriginalFileName field.
Values across builds
| OriginalFilename | Builds | Arch | File version | Windows releases | Source | Sysmon |
|---|---|---|---|---|---|---|
| UNLODCTR.EXE | 2 | x64, x86 | 10.0.26100.7705 → 10.0.26100.9549 | Host scan | ✓ 2 |
All 2 parsed builds
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| 29fa8cddac3b… | 10.0.26100.9549 | x64 | UNLODCTR.EXE | Host scan | ✓ | ||
| 967e9db08fc0… | 10.0.26100.7705 | x86 | UNLODCTR.EXE | Host scan | ✓ |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.