GridinSoft Threat Intelligence
update_notifier.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Possible Threat. 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
- Possible Threat
- Recommended action
- Scan and remove
- Last analysis
- 2021-10-15 20:16:37 (4 years ago)
- File hash
- b8648157a3e18585254ec9bcbee9ecc4
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Possible Threat.
First seen 2021-10-15 20:16:37 (4 years ago); latest analysis 2021-10-15 20:16:37 (4 years ago).
Company metadata: Vivaldi Technologies AS. Product metadata: Vivaldi update notifier.
Signed by Vivaldi Technologies AS. The signature is reported as valid, but signed files can still be bundled or abused.
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
update_notifier.exe is a Windows file recorded in the ThreatInfo database. It is associated with Vivaldi update notifier. The reported company name is Vivaldi Technologies AS. The current detection status is Possible Threat, based on the latest analysis from 2021-10-15 20:16:37 (4 years ago).
If update_notifier.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 Possible Threat.
File Details
| Product Name: | Vivaldi update notifier |
| Company Name: | Vivaldi Technologies AS |
| MD5: | b8648157a3e18585254ec9bcbee9ecc4 |
| Size: | 2 MB |
| First Published: | 2021-10-15 20:16:37 (4 years ago) |
| Latest Published: | 2021-10-15 20:16:37 (4 years ago) |
| Status: | Possible Threat (on last analysis) | |
| Analysis Date: | 2021-10-15 20:16:37 (4 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: | Vivaldi Technologies AS |
| Status: | Valid |
The signature on update_notifier.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %localappdata%\vivaldi |
ThreatInfo has observed update_notifier.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 update_notifier.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 United States 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 update_notifier.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
update_notifier.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.
4c44949751eb45232cf80b682f326b93
0ed3110564c387c90b7d798bdb0974f9
13f9076fcf0e93f8b78813eb5955571f
05d6b19e55c218b055b7c29b2759aa33
4bfe881c9532f8f29d4311bd305fedc6
83377a6277ad66f75d5e3864a90da4e1
1f354d76203061bfdd5a53dae48d5435
c8ae772a91a42c84814f369f38605c09
b35f64cb624a972eab05031ae83436e6
790b33d6268dc800bc59ced4b0e8ee3d
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 Possible Threat
This report identifies update_notifier.exe by MD5 b8648157a3e18585254ec9bcbee9ecc4. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.