GridinSoft Threat Intelligence
Default.SFX threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Agent. 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
- Trojan.Agent
- Recommended action
- Scan and remove
- Last analysis
- 2026-04-03 23:00:26 (2 months ago)
- File hash
- b3653f0e166b9253aab7484d17700f2e
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Agent, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-04-03 23:00:26 (2 months ago); latest analysis 2026-04-03 23:00:26 (2 months ago).
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 Trojan category for related samples and common context.
File context
Default.SFX is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Agent, based on the latest analysis from 2026-04-03 23:00:26 (2 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If Default.SFX 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 Trojan.Agent.
File Details
| MD5: | b3653f0e166b9253aab7484d17700f2e |
| Size: | 470 KB |
| First Published: | 2026-04-03 23:00:26 (2 months ago) |
| Latest Published: | 2026-04-03 23:00:26 (2 months ago) |
| Status: | Trojan.Agent (on last analysis) | |
| Analysis Date: | 2026-04-03 23:00:26 (2 months 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:
| %programfiles% |
ThreatInfo has observed Default.SFX 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 Default.SFX 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 Czechia 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 Default.SFX 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
Default.SFX is identified as pe for 64-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.
451d57d333fceb27ce247c6d49ea766d
fa5f848476b79be27916ba845901ba52
fbf496b264b5b3d735b5b32611c92f3d
652ad42c7724fbb464425b54838d73b6
d0b93493cc49a017a3a5767b780d9f6f
bf619eac0cdf3f68d496ea9344137e8b
40a5e69ef38124606509fdb56162b620
d5526fce39e9c6a12b0a76ed5fafc128
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 Trojan.Agent
This report identifies Default.SFX by MD5 b3653f0e166b9253aab7484d17700f2e. It is part of the Trojan 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.