GridinSoft Threat Intelligence
psmachine.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.Downloader. 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
- Adware.Downloader
- Recommended action
- Scan and remove
- Last analysis
- 2021-10-24 20:36:44 (4 years ago)
- File hash
- c38ce444fe4f5449b8e1163f925c733a
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Downloader, part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2017-06-12 16:06:46 (8 years ago); latest analysis 2021-10-24 20:36:44 (4 years ago).
Company metadata: Catalina Group Ltd.. Product metadata: CatalinaGroup Update.
Signed by Catalina Group Limited. 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 Adware category for related samples and common context.
File context
psmachine.dll is a Windows file recorded in the ThreatInfo database. It is associated with CatalinaGroup Update. The reported company name is Catalina Group Ltd.. The current detection status is Adware.Downloader, based on the latest analysis from 2021-10-24 20:36:44 (4 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If psmachine.dll 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 Adware.Downloader.
File Details
| Product Name: | CatalinaGroup Update |
| Company Name: | Catalina Group Ltd. |
| MD5: | c38ce444fe4f5449b8e1163f925c733a |
| Size: | 153 KB |
| First Published: | 2017-06-12 16:06:46 (8 years ago) |
| Latest Published: | 2021-10-24 20:36:44 (4 years ago) |
| Status: | Adware.Downloader (on last analysis) | |
| Analysis Date: | 2021-10-24 20:36:44 (4 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: | Catalina Group Limited |
| Status: | Valid |
The signature on psmachine.dll 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:
| %localappdata%\catalinagroup\update\1.3.25.225 |
| %profile%\bd\local settings\application data\catalinagroup\update\1.3.25.225 |
| %localappdata%\catalinagroup\update |
| %profile%\enatual\local settings\application data\catalinagroup\update |
| %profile%\дминистратор\local settings\application data\catalinagroup\update |
| %profile%\ous\local settings\application data\catalinagroup\update |
| %sysdrive%\windows.old\users\samuel\appdata\local\catalinagroup\update |
ThreatInfo has observed psmachine.dll 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 psmachine.dll across 32 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 20.0% 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 psmachine.dll is Windows 10 with 50.6% 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
psmachine.dll 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.
bdeab3006c4bbc0b8819eb4d358ad99f
f65e995495a28390d2d0de3279275909
b2743a09b188c8d029eeb4a317d69354
fb248e46c53ef9a14c8079cc6981135f
745ddbd678413e35f66ff28cf37762c8
2a9e6686d1ba6d79ced99c520d5cd465
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 Adware.Downloader
This report identifies psmachine.dll by MD5 c38ce444fe4f5449b8e1163f925c733a. It is part of the Adware 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.