GridinSoft Threat Intelligence
OInstall.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Crack.KMS. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Crack.KMS
- Recommended action
- Scan and remove
- Last analysis
- 2025-07-16 23:00:52 (10 months ago)
- File hash
- 0f3b8c8efd845e45c5df6f433edd1ef8
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Crack.KMS, part of the Crack threat category.
License bypass tools and modified installers that commonly arrive with unwanted payloads. Related Crack reports help compare this file with nearby detections, publishers, and hashes.
First seen 2018-12-28 12:55:36 (7 years ago); latest analysis 2025-07-16 23:00:52 (10 months ago).
Product metadata: Office 2013-2016 C2R Install.
Signed by WZTeam. The signature is reported as valid, but signed files can still be bundled or abused.
ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.
Recommended action
What to do next
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Crack category for related samples and common context.
File context
OInstall.exe is a Windows file recorded in the ThreatInfo database. It is associated with Office 2013-2016 C2R Install. The current detection status is Crack.KMS, based on the latest analysis from 2025-07-16 23:00:52 (10 months ago). ThreatInfo groups this verdict with Crack reports for broader family-level investigation.
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 2013-2016 C2R Install |
| MD5: | 0f3b8c8efd845e45c5df6f433edd1ef8 |
| Size: | 9 MB |
| First Published: | 2018-12-28 12:55:36 (7 years ago) |
| Latest Published: | 2025-07-16 23:00:52 (10 months ago) |
| Status: | Crack.KMS (on last analysis) | |
| Analysis Date: | 2025-07-16 23:00:52 (10 months ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
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%\軟體\kms_tools_portable\programs |
| %profile%\اکتیو ویندوز 8 با قابلیت آفیس 2013 |
| %desktop%\totaid\kms_tools_portable_15.12.2018\programs |
| %windir% |
| %sysdrive%\programas_instalar\office\ratiborus kms tools 15.12.2018 [cracksnow]\kms_tools\programs |
| %profile%\downloads\kms_tools_a_15.12.2018\programs |
| %temp%\rar$exa8020.2998\kms_tools_a_15.12.2018\programs |
| %desktop%\cosas |
| %mydoc%\office\kms tools by tails tutoriales\kms_tools_a_15.12.2018\programs |
| %temp%\temp2_activador office y windows.zip\kms_tools_portable_15.12.2018\programs |
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.
Geographic signal
Observed country distribution
ThreatInfo has seen OInstall.exe across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Korea, Republic of with 23.5% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for OInstall.exe is Windows 10 with 88.2% 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-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
00000000000000000000000000000000
93012ed28cae903f9760f533ec86c3fe
96bfdde1ebd52909ed665a312cebed17
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.
Report conclusion
GridinSoft detects this file as Crack.KMS
This report identifies OInstall.exe by MD5 0f3b8c8efd845e45c5df6f433edd1ef8. It is part of the Crack report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.