GridinSoft Threat Intelligence

opera_browser.dll threat report

Detected as Trojan.Heur! File reputation report
MD5 a1aad3cc8197d443e08abc9e2d5dea39
Latest seen 2022-06-03 23:18:54 (3 years ago)
First seen 2022-06-03 23:18:54 (3 years ago)
Size 139 MB
Signed by Opera Norway AS

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. 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.Heur!
Recommended action
Scan and remove
Last analysis
2022-06-03 23:18:54 (3 years ago)
File hash
a1aad3cc8197d443e08abc9e2d5dea39
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2022-06-03 23:18:54 (3 years ago); latest analysis 2022-06-03 23:18:54 (3 years ago).

Digital signature

Signed by Opera Norway AS. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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.

opera_browser.dll is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Heur!, based on the latest analysis from 2022-06-03 23:18:54 (3 years ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If opera_browser.dll 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.Heur!.

MD5: a1aad3cc8197d443e08abc9e2d5dea39
Size: 139 MB
First Published: 2022-06-03 23:18:54 (3 years ago)
Latest Published: 2022-06-03 23:18:54 (3 years ago)
Status: Trojan.Heur! (on last analysis)
Analysis Date: 2022-06-03 23:18:54 (3 years ago)
opera_browser.dll 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.

Signed By: Opera Norway AS
Status: Valid

The signature on opera_browser.dll 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.

%temp%\.opera\b4acc8f8a419\cuserssibylappdatalocalprogramsopera

ThreatInfo has observed opera_browser.dll 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.

Windows 10 100.0%

The most common operating system signal for opera_browser.dll 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.

opera_browser.dll is identified as pe for 32-bit systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x0372e3f0
Image base 0x10000000

PE Sections:

Sections 11
Raw data 145843712

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 122584576 bytes · 84.1% of section data
Large raw data
MD5 0575f6dda80305b7dbba7ff04c17a4f9
.rdata 18245632 bytes · 12.5% of section data
Large raw data
MD5 716d3bde124c74b6349f8316483adb05
.data 343552 bytes · 0.2% of section data
MD5 55f0d9e7b798d3dad70dc600076cb11f
.00cfg 512 bytes · 0.0% of section data
Uncommon name
MD5 e15a6997b292199f3b34dfc1fdbc2d17
.rodata 2560 bytes · 0.0% of section data
MD5 7529258c4cd2573d353a091fb4b18a25
.tls 512 bytes · 0.0% of section data
MD5 c63553d40fa6ee68787f8dd857037999
.voltbl 512 bytes · 0.0% of section data
Uncommon name
MD5 e8599e55a950c951406f3020a9af0f3e
CPADinfo 512 bytes · 0.0% of section data
Uncommon name
MD5 a154967d3d33a42a5b18a2d2179eafc2
malloc_h 512 bytes · 0.0% of section data
Uncommon name
MD5 1a8102c5417d9a19fb23ad23c8d0752b
.rsrc 59392 bytes · 0.0% of section data
MD5 1d2fb543c9d10cbeecc7a0c972a9afc8
.reloc 4605440 bytes · 3.2% of section data
MD5 bde18a3ef38c98ddf1af58f111455dc8

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.Heur!

This report identifies opera_browser.dll by MD5 a1aad3cc8197d443e08abc9e2d5dea39. 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with a1aad3cc8197d443e08abc9e2d5dea39.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.