Library / LOLBin
pcwutl.dll
Program Compatibility Troubleshooter Helper · Microsoft Corporation
OriginalFilename
pcwutl.dll
Query snippets
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\pcwutl.dll'
- OriginalFileName: 'pcwutl.dll'
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="pcwutl.dll" OR Processes.process_name="pcwutl.dll")
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~ ("pcwutl.dll")
or FileName =~ "pcwutl.dll"Microsoft Defender XDR advanced hunting. in~ and =~ are case-insensitive.
process where event.type == "start" and
(process.pe.original_file_name in~ ("pcwutl.dll") or
process.name : "pcwutl.dll")ECS process.pe.original_file_name is a keyword field: in~ is case-insensitive, Kibana KQL is not.
['pcwutl.dll'].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 |
|---|---|---|---|---|---|---|
| pcwutl.dll | 13 | x64 | 10.0.10240.16384 → 10.0.28000.3086 | Win10 1507 → Win11 26H1 (15) | Winbindex |
All 13 parsed builds · 5 Windows release groups not verifiable
| SHA256 | Version | Arch | OriginalFilename | Windows releases | Signature | Source | Sysmon |
|---|---|---|---|---|---|---|---|
| fbbc685b3581… | 10.0.28000.3086 | x64 | pcwutl.dll | Win11 26H1 | Unsigned | Winbindex | |
| 609a6f364234… | 10.0.26100.9549 | x64 | pcwutl.dll | Win11 24H2 | Winbindex | ||
| 206a5c53ca99… | 10.0.14393.5291 | x64 | pcwutl.dll | Win10 1607 | Unsigned | Winbindex | |
| e2f3a8679b5f… | 10.0.17763.1 | x64 | pcwutl.dll | Win10 1809 | Unsigned | Winbindex | |
| cc90fb542b4d… | 10.0.10240.16384 | x64 | pcwutl.dll | Win10 1507 | Unsigned | Winbindex | |
| f7b9b7b694b4… | 10.0.26100.5074 | x64 | pcwutl.dll | Win11 24H2, Win11 25H2 | Unsigned | Winbindex | |
| 26ed9adb6487… | 10.0.19041.2546 | x64 | pcwutl.dll | Win10 20H2 … Win10 22H2 (3) | Unsigned | Winbindex | |
| 6dfbc59c5f26… | 10.0.19041.1266 | x64 | pcwutl.dll | Win10 2004 … Win10 21H2 (3) | Signed (Catalog file) | Winbindex | |
| 94bf5ba8f533… | 10.0.22000.120 | x64 | pcwutl.dll | Win11 21H2 | Unsigned | Winbindex | |
| 5bbcba3493c1… | 10.0.18362.1832 | x64 | pcwutl.dll | Win10 1909 | Winbindex | ||
| 98fa9a34b804… | 10.0.19041.928 | x64 | pcwutl.dll | Win10 2004, Win10 21H1 | Signed (Catalog file) | Winbindex | |
| de0923fcb4ef… | 10.0.16299.15 | x64 | pcwutl.dll | Win10 1709 | Unsigned | Winbindex | |
| 68eec847c88a… | 10.0.10586.0 | x64 | pcwutl.dll | Win10 1511 | Unsigned | Winbindex |
Winbindex builds link to the Microsoft symbol server copy that was hashed and parsed.