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
- 2024-09-30 23:07:40 (2 years ago)
- File hash
- 1d980ac7aa07def69627a334168853f9
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Patched.
First seen 2024-09-30 23:07:40 (2 years ago); latest analysis 2024-09-30 23:07:40 (2 years ago).
Company metadata: Opera Software. Product metadata: Opera Browser Assistant Installer.
Signed by Opera Norway AS. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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 2024-09-30 23:07:40 (2 years 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: | 1d980ac7aa07def69627a334168853f9 |
| Size: | 1 MB |
| First Published: | 2024-09-30 23:07:40 (2 years ago) |
| Latest Published: | 2024-09-30 23:07:40 (2 years ago) |
| Status: | Trojan.Patched (on last analysis) | |
| Analysis Date: | 2024-09-30 23:07:40 (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.
Overview
| Signed By: | Opera Norway AS |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on assistant_installer.exe is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.
Common Places:
| %localappdata%\programs\opera |
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.
Geography:
1 observed countriesThe strongest geographic signal for this file is Lithuania 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.
663d6afe818c367ee5cd19239e377490
4874bdf6017818503671cc2675de45f5
a835fefa8907454bca4fd12458f768b6
93cb21064b4eea1293c0a58ec698e94f
a154967d3d33a42a5b18a2d2179eafc2
9e7fb4718ce421121915cd332e932213
e1369a223cfba7f231ae405d0f5ac1fa
f0c583d03513ae3f17ddcfb4d2fefdf0
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 1d980ac7aa07def69627a334168853f9. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.