GridinSoft Threat Intelligence
installer_ext.exe 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
- 2026-05-27 19:01:04 (4 hours ago)
- File hash
- 643955c7b3e13fcb95569c44f392e7c4
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 2026-03-16 23:00:23 (2 months ago); latest analysis 2026-05-27 19:01:04 (4 hours 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
installer_ext.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Agent, based on the latest analysis from 2026-05-27 19:01:04 (4 hours ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If installer_ext.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 Trojan.Agent.
File Details
| MD5: | 643955c7b3e13fcb95569c44f392e7c4 |
| Size: | 7 MB |
| First Published: | 2026-03-16 23:00:23 (2 months ago) |
| Latest Published: | 2026-05-27 19:01:04 (4 hours ago) |
| Status: | Trojan.Agent (on last analysis) | |
| Analysis Date: | 2026-05-27 19:01:04 (4 hours 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:
| %profile% |
ThreatInfo has observed installer_ext.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.
Geographic signal
Observed country distribution
ThreatInfo has seen installer_ext.exe across 4 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Morocco with 25.0% 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 installer_ext.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.
Analysis
installer_ext.exe 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.
5f783976a94063a53ef959832b4ccf1c
8d585d425b229ee5f51e004ca13ff9b1
a9a527f45fb02faa6b9170543a0888d5
93d14cb359c384818df36d87653eba1e
db63aef5572573a34dc1640c214cdd1c
b5a76f4d0459a36423ffb485b791fcd5
ca2b436d149d96ea238b2777a8858d49
07b5472d347d42780469fb2654b7fc54
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 installer_ext.exe by MD5 643955c7b3e13fcb95569c44f392e7c4. 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.