How to remove OInstall.exe

OInstall.exe

The module OInstall.exe has been detected as Crack.KMS

OInstall.exe

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 2026-03-17 23:01:13 (2 months 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.

Product Name: Office 2013-2021 C2R Install
MD5: 11002d91453bc60e8e581d24a21d0b58
Size: 30 MB
First Published: 2023-12-11 23:45:52 (2 years ago)
Latest Published: 2026-03-17 23:01:13 (2 months ago)
Status: Crack.KMS (on last analysis)
Analysis Date: 2026-03-17 23:01:13 (2 months ago)
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.

%sysdrive%\programas 2023
%sysdrive%
%sysdrive%\software\[ftuapps.com] - microsoft office 2024 version 2312 build 17103.20000 preview ltsc aio x86-x64 multilingual pre-activated
%sysdrive%\hamdy
%sysdrive%\software big\microsoft\microsoft office\microsoft office pro plus 2024
%sysdrive%\random\zamunda
%sysdrive%

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.

14.3%
14.3%
14.3%
14.3%
14.3%
14.3%
14.3%

The strongest geographic signal for this file is Colombia with 14.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 85.7%
Windows 7 14.3%

The most common operating system signal for OInstall.exe is Windows 10 with 85.7% 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.

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: 0x00001000

PE Sections:

Name Size of data MD5
.code 328704 2b883914ef879f3eecc4d8f555030dcb
.text 752128 b7d2294edd700f99350598c18945c2bc
'.text' 512 ed9ba544db08fb4f835eb3ac1c1d5c27
.rdata 172544 a4a4d31cb6f9e7053b0f27995b02d23d
.data 30489088 fbc050c25ae78bdd10fedd4190e26fd5
.rsrc 85504 efc39ddf4bd33087fdbbdc8a75e76f3e
.modplug 0 d41d8cd98f00b204e9800998ecf8427e

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:

Download GridinSoft Anti-Malware - Removal tool for OInstall.exe