GridinSoft Threat Intelligence
propsys.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Backdoor.Gen. 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
- Backdoor.Gen
- Recommended action
- Scan and remove
- Last analysis
- 2024-03-25 23:01:21 (2 years ago)
- File hash
- 78812c7692c88ed00dcf75ef17383fdf
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Backdoor.Gen, part of the Backdoor threat category.
Remote-access components that can give an operator control over an affected system. Related Backdoor reports help compare this file with nearby detections, publishers, and hashes.
First seen 2024-03-25 23:01:21 (2 years ago); latest analysis 2024-03-25 23:01:21 (2 years ago).
Company metadata: ʕ •ᴥ•ʔ acidicoala. Product metadata: Koaloader.
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 Backdoor category for related samples and common context.
File context
propsys.dll is a Windows file recorded in the ThreatInfo database. It is associated with Koaloader. The reported company name is ʕ •ᴥ•ʔ acidicoala. The current detection status is Backdoor.Gen, based on the latest analysis from 2024-03-25 23:01:21 (2 years ago). ThreatInfo groups this verdict with Backdoor reports for broader family-level investigation.
If propsys.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 Backdoor.Gen.
File Details
| Product Name: | Koaloader |
| Company Name: | ʕ •ᴥ•ʔ acidicoala |
| MD5: | 78812c7692c88ed00dcf75ef17383fdf |
| Size: | 2 MB |
| First Published: | 2024-03-25 23:01:21 (2 years ago) |
| Latest Published: | 2024-03-25 23:01:21 (2 years ago) |
| Status: | Backdoor.Gen (on last analysis) | |
| Analysis Date: | 2024-03-25 23:01:21 (2 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.
Common Places:
| %sysdrive%\$recycle.bin\s-1-5-21-897947893-2763280876-2065367299-1001\$rv3x35l.zip |
ThreatInfo has observed propsys.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 propsys.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Poland with 100.0% 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 propsys.dll 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.
Analysis
propsys.dll is identified as pe for 64-bit systems. The subsystem is Windows CUI. 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.
223ca64c1cc3aa0b6958ece8bd1d6a8b
57c7eb35f3ed1797aae706ec362ca8de
9d41c7a8daa246f27ebacbb8b3b148c7
f3d01cbce6b81ade2cc0ff42debc5c20
cf947e15b28bdcd2aa11cf917224a587
d0e4f4a7e1d0ef71d50aa370db19898a
5ddef7a45bb61e3f50b66beac843e670
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 Backdoor.Gen
This report identifies propsys.dll by MD5 78812c7692c88ed00dcf75ef17383fdf. It is part of the Backdoor 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.