GridinSoft Threat Intelligence
assistant_installer.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.Patched. 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.Patched
- Recommended action
- Scan and remove
- Last analysis
- 2025-02-16 23:00:55 (a year ago)
- File hash
- 4c8fbed0044da34ad25f781c3d117a66
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Patched, 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 2024-12-13 23:01:12 (a year ago); latest analysis 2025-02-16 23:00:55 (a year ago).
Company metadata: Opera Software. Product metadata: Opera GX Browser Assistant Installer.
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
assistant_installer.exe is a Windows file recorded in the ThreatInfo database. It is associated with Opera GX Browser Assistant Installer. The reported company name is Opera Software. The current detection status is Trojan.Patched, based on the latest analysis from 2025-02-16 23:00:55 (a year ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If assistant_installer.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.Patched.
File Details
| Product Name: | Opera GX Browser Assistant Installer |
| Company Name: | Opera Software |
| MD5: | 4c8fbed0044da34ad25f781c3d117a66 |
| Size: | 1 MB |
| First Published: | 2024-12-13 23:01:12 (a year ago) |
| Latest Published: | 2025-02-16 23:00:55 (a year ago) |
| Status: | Trojan.Patched (on last analysis) | |
| Analysis Date: | 2025-02-16 23:00:55 (a year 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:
| %localappdata%\programs\opera gx |
ThreatInfo has observed assistant_installer.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 assistant_installer.exe across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Türkiye with 66.7% 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 assistant_installer.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
assistant_installer.exe 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.
3cb8e02173c3ab8d001535e66b32f2cd
beffbc9a822d643385f481b51d5aceae
f778061a611666440b1e66b650c90dfe
51a5bc308ed6e0bf84ec7784e7dc79d0
27942a65eef7d96696f345e88a4ce24b
daaed8d918fbd82ebc00950ca932c64d
a154967d3d33a42a5b18a2d2179eafc2
e2fc144c052d43b8f83ac1d5a37eec2c
422ddceaa2ead48a9e8b081b08d52b93
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.Patched
This report identifies assistant_installer.exe by MD5 4c8fbed0044da34ad25f781c3d117a66. 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.