GridinSoft Threat Intelligence
msasn1.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Ransom.Wacatac. 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
- Ransom.Wacatac
- Recommended action
- Scan and remove
- Last analysis
- 2024-03-25 23:01:22 (2 years ago)
- File hash
- dc432e1adbe0120d49b45b4b7bfe5d47
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Ransom.Wacatac, part of the Ransom threat category.
Ransomware families and files associated with encryption or extortion workflows. Related Ransom reports help compare this file with nearby detections, publishers, and hashes.
First seen 2024-03-25 23:01:22 (2 years ago); latest analysis 2024-03-25 23:01:22 (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 Ransom category for related samples and common context.
File context
msasn1.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 Ransom.Wacatac, based on the latest analysis from 2024-03-25 23:01:22 (2 years ago). ThreatInfo groups this verdict with Ransom reports for broader family-level investigation.
If msasn1.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 Ransom.Wacatac.
File Details
| Product Name: | Koaloader |
| Company Name: | ʕ •ᴥ•ʔ acidicoala |
| MD5: | dc432e1adbe0120d49b45b4b7bfe5d47 |
| Size: | 2 MB |
| First Published: | 2024-03-25 23:01:22 (2 years ago) |
| Latest Published: | 2024-03-25 23:01:22 (2 years ago) |
| Status: | Ransom.Wacatac (on last analysis) | |
| Analysis Date: | 2024-03-25 23:01:22 (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 msasn1.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 msasn1.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 msasn1.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
msasn1.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.
81122cd1e144d471e52bb83cf5c5432e
d3f18b3b7cb8d1970219c625c67e52e1
fcb3e8d233e04b0d54df07c71801a99b
f3d01cbce6b81ade2cc0ff42debc5c20
cf947e15b28bdcd2aa11cf917224a587
7383b38b7cca087ab5d8f4f8e61dff94
6c1eb90fdd4a570b489c4acb5601a3ae
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 Ransom.Wacatac
This report identifies msasn1.dll by MD5 dc432e1adbe0120d49b45b4b7bfe5d47. It is part of the Ransom 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.