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 Hack.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
- Hack.KMS
- Recommended action
- Scan and remove
- Last analysis
- 2021-01-08 09:42:49 (5 years ago)
- File hash
- 99c0849180e921bda6722d26be1b7f96
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Hack.KMS.
First seen 2021-01-08 09:42:49 (5 years ago); latest analysis 2021-01-08 09:42:49 (5 years ago).
Product metadata: Office 2013-2016 C2R Install.
Signed by WZTeam. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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.
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 Hack.KMS, based on the latest analysis from 2021-01-08 09:42:49 (5 years 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 Hack.KMS.
File Details
| Product Name: | Office 2013-2016 C2R Install |
| MD5: | 99c0849180e921bda6722d26be1b7f96 |
| Size: | 9 MB |
| First Published: | 2021-01-08 09:42:49 (5 years ago) |
| Latest Published: | 2021-01-08 09:42:49 (5 years ago) |
| Status: | Hack.KMS (on last analysis) | |
| Analysis Date: | 2021-01-08 09:42:49 (5 years 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: | Invalid (digital signature could be stolen or file could be patched) |
The signature on OInstall.exe is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %windir% |
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.
OS Version:
The most common operating system signal for OInstall.exe is Windows 7 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-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.
d41d8cd98f00b204e9800998ecf8427e
27535911ed3feac69d7c0982d086b4c7
5365055c35f84a626c1f79a1dd7113c7
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 Hack.KMS
This report identifies OInstall.exe by MD5 99c0849180e921bda6722d26be1b7f96. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.