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
- 2025-07-15 23:02:30 (10 months ago)
- File hash
- b3f05009b53af6435e86cfd939717e82
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Patched.
First seen 2025-07-15 23:02:29 (10 months ago); latest analysis 2025-07-15 23:02:30 (10 months ago).
Company metadata: Opera Software. Product metadata: Opera 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.
File context
assistant_installer.exe is a Windows file recorded in the ThreatInfo database. It is associated with Opera Browser Assistant Installer. The reported company name is Opera Software. The current detection status is Trojan.Patched, based on the latest analysis from 2025-07-15 23:02:30 (10 months ago).
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 Browser Assistant Installer |
| Company Name: | Opera Software |
| MD5: | b3f05009b53af6435e86cfd939717e82 |
| Size: | 1 MB |
| First Published: | 2025-07-15 23:02:29 (10 months ago) |
| Latest Published: | 2025-07-15 23:02:30 (10 months ago) |
| Status: | Trojan.Patched (on last analysis) | |
| Analysis Date: | 2025-07-15 23:02:30 (10 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:
| %localappdata%\programs\opera\107.0.5045.36\.opera\e32378a0412d\cusersuserappdatalocalprogramsoperaassistant |
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 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 Tunisia 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 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.
9d3b6f35a76658b32ca768da95b081e6
d8044deec8bf8fd54f46bd5a3e93f434
2c80749593bfaaadbd49d908d45e8a83
cfbfe56255a10b37014a65f17898880d
a154967d3d33a42a5b18a2d2179eafc2
58985cb906073072431f06ba522345ec
1ade5a546ea6d1645f2f6a4c08851213
896b31a4c9bb71bdd583d605d5696909
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 b3f05009b53af6435e86cfd939717e82. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.