How to remove OInstall.exe
OInstall.exe
The module OInstall.exe has been detected as Crack.KMS
OInstall.exe is a Windows file recorded in the ThreatInfo database. It is associated with Office 2013-2021 C2R Install. The current detection status is Crack.KMS, based on the latest analysis from 2025-05-21 23:00:20 (a year ago).
If OInstall.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Crack.KMS.
File Details
| Product Name: | Office 2013-2021 C2R Install |
| MD5: | 7d027cac1a18acd8fbc13b69bc291cd5 |
| Size: | 9 MB |
| First Published: | 2021-04-20 20:54:29 (5 years ago) |
| Latest Published: | 2025-05-21 23:00:20 (a year ago) |
| Status: | Crack.KMS (on last analysis) | |
| Analysis Date: | 2025-05-21 23:00:20 (a year ago) |
Overview
| Signed By: | WZTeam |
| Status: | Valid |
The signature on OInstall.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %sysdrive%\p87zz-v_deluxe\sw\microsoft\office 2019_2103\microsoft office 2019 pro plus v2103 build 13901.20336 [filecr] |
| %profile%\downloads |
| %profile%\downloads |
| %sysdrive%\winterosv2021\menufiles |
| %sysdrive% |
| %sysdrive% |
| %windir%\setup |
ThreatInfo has observed OInstall.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.
Geography:
| 28.6% | ||
| 28.6% | ||
| 14.3% | ||
| 14.3% | ||
| 14.3% |
The strongest geographic signal for this file is Portugal with 28.6% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
| Windows 10 | 100.0% |
The most common operating system signal for OInstall.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.
Analysis
OInstall.exe is identified as pe for 32 systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
| Subsystem: | Windows GUI |
| PE Type: | pe |
| OS Bitness: | 32 |
| Image Base: | 0x00400000 |
| Entry Address: | 0x0147f730 |
PE Sections:
| Name | Size of data | MD5 |
| UPX0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
| UPX1 | 10308096 | f75097565d1e712dee7f20efb72a6785 |
| .rsrc | 86528 | 516d483f242750226566bb3d94d55975 |
PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.
More information:
