GridinSoft Threat Intelligence

PCKeeper Installer.exe threat report

Detected as PUP.SystemOptimizer File reputation report
MD5 53b6ac386aeef925ee75f10c53261d9c
Latest seen 2026-02-27 23:00:41 (3 months ago)
First seen 2026-02-27 23:00:41 (3 months ago)
Size 1 MB
Publisher Kromtech
Product PCKeeper

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.SystemOptimizer. 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
PUP.SystemOptimizer
Recommended action
Scan and remove
Last analysis
2026-02-27 23:00:41 (3 months ago)
File hash
53b6ac386aeef925ee75f10c53261d9c
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.SystemOptimizer, part of the PUP threat category.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-02-27 23:00:41 (3 months ago); latest analysis 2026-02-27 23:00:41 (3 months ago).

Publisher context

Company metadata: Kromtech. Product metadata: PCKeeper.

Digital signature

Signed by KROMTECH ALLIANCE CORP. 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 PUP category for related samples and common context.

PCKeeper Installer.exe is a Windows file recorded in the ThreatInfo database. It is associated with PCKeeper. The reported company name is Kromtech. The current detection status is PUP.SystemOptimizer, based on the latest analysis from 2026-02-27 23:00:41 (3 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If PCKeeper Installer.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 PUP.SystemOptimizer.

Product Name: PCKeeper
Company Name: Kromtech
MD5: 53b6ac386aeef925ee75f10c53261d9c
Size: 1 MB
First Published: 2026-02-27 23:00:41 (3 months ago)
Latest Published: 2026-02-27 23:00:41 (3 months ago)
Status: PUP.SystemOptimizer (on last analysis)
Analysis Date: 2026-02-27 23:00:41 (3 months ago)
PCKeeper Installer.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: KROMTECH ALLIANCE CORP
Status: Valid

The signature on PCKeeper Installer.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%\checking\to be checked by me\ian files

ThreatInfo has observed PCKeeper Installer.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 10 100.0%

The most common operating system signal for PCKeeper Installer.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.

PCKeeper Installer.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 0x0004bf2f
Image base 0x00400000

PE Sections:

Sections 5
Raw data 1302528

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

.text 434688 bytes · 33.4% of section data
MD5 489ab7424f2a797cc3342a85c0b5a9d5
.rdata 132608 bytes · 10.2% of section data
MD5 1bd34fa9cfa87cce60bd1e6b5523b4cc
.data 14336 bytes · 1.1% of section data
MD5 04785b6cb85f679ed9c5b7527bf94c52
.rsrc 688640 bytes · 52.9% of section data
MD5 f27d965133c8b0121dbd602e12f772df
.reloc 32256 bytes · 2.5% of section data
MD5 b793ffa20a3e13651349e49f0fa0daa4

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 PUP.SystemOptimizer

This report identifies PCKeeper Installer.exe by MD5 53b6ac386aeef925ee75f10c53261d9c. It is part of the PUP 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 53b6ac386aeef925ee75f10c53261d9c.
  • 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 PUP category to compare similar reports.