GridinSoft Threat Intelligence

OInstall.exe threat report

Detected as Crack.KMS File reputation report
MD5 899c948afc21d9230854e1d3aec87e2f
Latest seen 2024-10-30 23:02:00 (2 years ago)
First seen 2018-04-29 22:12:27 (8 years ago)
Size 8 MB
Signed by WZTeam

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
2024-10-30 23:02:00 (2 years ago)
File hash
899c948afc21d9230854e1d3aec87e2f
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Crack.KMS, part of the Crack threat category.

Category context

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.

Timeline

First seen 2018-04-29 22:12:27 (8 years ago); latest analysis 2024-10-30 23:02:00 (2 years ago).

Digital signature

Signed by WZTeam. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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.

OInstall.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Crack.KMS, based on the latest analysis from 2024-10-30 23:02:00 (2 years 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.

MD5: 899c948afc21d9230854e1d3aec87e2f
Size: 8 MB
First Published: 2018-04-29 22:12:27 (8 years ago)
Latest Published: 2024-10-30 23:02:00 (2 years ago)
Status: Crack.KMS (on last analysis)
Analysis Date: 2024-10-30 23:02:00 (2 years ago)
OInstall.exe 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.

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.

%appdata%\microsoft\windows
%windir%
%profile%\downloads\kms tools portable 01.04.2018 by ratiborus\programs
%sysdrive%\загрузки с торента\kms tools portable 01.04.2018 by ratiborus\programs
%sysdrive%\загрузки\apps\!microsoft\kms
%desktop%\activation\kms tools portable\programs
%sysdrive%\programlar\office\kms\kms tools 01.04.2018\programs
%sysdrive%\programlar\office\kms tools 01.04.2018\programs
%profile%\downloads\win_apps\ratiborus.kms.tools.01.04.2018\ratiborus.kms.tools.01.04.2018\programs
%profile%\downloads\ratiborus kms tools 01.04.2018\ratiborus kms tools 01.04.2018\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.

Windows 10 61.8%
Windows 7 38.2%

The most common operating system signal for OInstall.exe is Windows 10 with 61.8% 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-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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x010a8001
Image base 0x00400000

PE Sections:

Sections 8
Raw data 8605184

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.code 29696 bytes · 0.3% of section data
Uncommon name
MD5 54a8812332fa9c49e598801bf4316e62
.text 348160 bytes · 4.0% of section data
MD5 90274aaa86a03fac6bedb1aafab31b0f
.rdata 44032 bytes · 0.5% of section data
MD5 6e7f13a814e83a2a2c0b1defb87e60be
.data 8092672 bytes · 94.0% of section data
Large raw data
MD5 0f74568b94223d8e817b556083a4f5d3
.rsrc 1024 bytes · 0.0% of section data
MD5 76117aeb3fa90dd0e07344f3429883d8
.modplug 0 bytes · 0.0% of section data
Uncommon name
MD5 00000000000000000000000000000000
.msfree 89600 bytes · 1.0% of section data
Uncommon name
MD5 185f37d095675e302426a4f57d575021
.adata 0 bytes · 0.0% of section data
Uncommon name
MD5 00000000000000000000000000000000

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 899c948afc21d9230854e1d3aec87e2f. 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 899c948afc21d9230854e1d3aec87e2f.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Crack category to compare similar reports.