MalwareTips
Threat LensFile scan report

Is OperaSetup.exe safe?

Verdict
Suspicious

No antivirus engine detected this new installer, but its unsigned status and lack of runtime evidence prevent confidently validating the claimed Opera identity.

All 75 antivirus engines returned no detection, including 17 high-trust engines, and static inspection found no obvious packing indicators. However, this newly observed executable is unsigned, so its Opera-branded filename cannot be authenticated; obtain it only from Opera's official download channel.

Do not run it until verified

Use an installer downloaded directly from Opera's official website rather than trusting this filename. Keep endpoint protection enabled and avoid execution if the source cannot be verified.

Read the full analysis
Saved file evidenceAntivirus consensus
0of 75 flagged
Flagged 0No detection 75
Digital specimenOperaSetup.exe2bb5cca8f41e6a7295…f3d6f75aa1e264
Size3.1 MB
Code signingUnsigned
SandboxPartial coverage
First seenToday
Evidence2 priority signals
0 of 75 antivirus engines flagged the file.

Recommended next actions

01

Before running

Do not run it until the source and publisher can be verified independently.

02

If you already ran it

Stop using it, scan the device, and watch for unexpected behavior or security alerts. Get a fresh copy from the developer's official site or an official app store.

Chapter 02

Intelligence

The saved assessment, checked against the scan evidence and recorded coverage.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.

72%Confidence
High
Analyst conclusion

All 75 antivirus engines returned no detection, including 17 high-trust engines, and static inspection found no obvious packing indicators. However, this newly observed executable is unsigned, so its Opera-branded filename cannot be authenticated; obtain it only from Opera's official download channel.

Where this verdict could be wrong3 caveats
  • The filename claims to be an Opera installer, but signing.signed=false provides no verified publisher link to Opera.
  • behaviour=null means the strong static scan result is not corroborated by completed runtime observation.
  • contactedHosts=null means no complete reputation assessment of possible network contacts is available.

These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.

Recommended action

Use an installer downloaded directly from Opera's official website rather than trusting this filename. Keep endpoint protection enabled and avoid execution if the source cannot be verified.

Scan transparency

Coverage & freshness

3 of 5 complete

Complete means the check returned a usable result. It does not mean the file is safe.

  • Antivirus

    Complete

    0 of 75 engines flagged the file.

  • Sandbox

    Partial

    Runtime data is present, but no completed sandbox environment is recorded.

  • Network

    Not run

    No contacted-host reputation check is recorded.

    No timestamp recorded

  • YARA

    Complete

    Rule evaluation completed with no recorded matches.

  • External intel

    Complete

    3 of 3 independent reference sources completed.

Chapter 03

Behavior

Plain-English impact first, then the observed runtime evidence.

Chapter 04

Detection & Forensics

Consensus, attribution, signatures, code structure, prevalence, and identity.

Chapter 05

Safety & FAQ

Complete recovery guidance and answers for the next decision.

What to do now

We couldn't fully clear this file. Treat it with caution.

  1. Recovery step 01

    Don't run it unless you're certain it came from a source you trust.

  2. Recovery step 02

    Check where you got it — an unexpected attachment or a random download link is a red flag.

  3. Recovery step 03

    If its origin cannot be confirmed, delete this file and use a fresh copy from a trusted source. Get a fresh copy from the developer's official site or an official app store.

  4. Recovery step 04

    If you're still unsure, scan it again in a day or two — detections often catch up on newer files.

Safety FAQ

Direct answers grounded in the saved verdict and evidence in this report.

7 evidence-based answers
Is OperaSetup.exe safe, or is it malware?
Evidence-based answer
OperaSetup.exe is suspicious — treat it as unsafe until you're sure. No antivirus engine flagged it; the cautious verdict comes from other saved evidence such as identity, prevalence, signing, or runtime signals. Don't run it unless you fully trust where it came from. Get a fresh copy from the developer's official site or an official app store.
What is OperaSetup.exe?
Evidence-based answer
OperaSetup.exe is a Windows executable program (application/x-msdownload), about 3.1 MB. We identify a file by its cryptographic hash rather than its name, because the same filename can be reused by completely different files — the hash below is the reliable fingerprint.
How many antivirus engines detected OperaSetup.exe?
Evidence-based answer
None — 0 of 75 antivirus engines flagged OperaSetup.exe. A clean antivirus result is not proof of safety; the cautious verdict comes from other saved evidence such as identity, prevalence, signing, or runtime signals.
I already downloaded and ran OperaSetup.exe — what should I do?
Evidence-based answer
Act quickly. 1) Disconnect the device from the internet to stop the malware communicating or spreading. 2) Run a full scan with reputable anti-malware software (such as Malwarebytes) and quarantine everything it finds. 3) Change your important passwords from a DIFFERENT, clean device — many threats log keystrokes or steal saved credentials. 4) If you bank or shop on this device, watch closely for fraud and alert your bank. 5) For a confirmed infection, the most reliable fix is to back up your personal files and reinstall the operating system for a clean start.
How do I remove OperaSetup.exe?
Evidence-based answer
To remove OperaSetup.exe: 1) restart into Safe Mode (Safe Mode with Networking if you need to download a tool) so the malware doesn't auto-start. 2) Run a full scan with reputable anti-malware software and let it quarantine or delete the detections. 3) Delete this file from the device, then empty the Recycle Bin or Trash. 4) Check your browser extensions, startup items, and scheduled tasks for anything unfamiliar. 5) Reboot and scan again to confirm it's gone. If detections keep coming back, a clean operating-system reinstall is the most dependable cure.
What is the SHA-256 hash of OperaSetup.exe?
Evidence-based answer
The SHA-256 hash of OperaSetup.exe is 2bb5cca8f41e6a7295386e1e6d4743babe9eb258865504ebbbf3d6f75aa1e264, and its MD5 is 35e9bf4aca6ddd9eb18b0af387b618fe. This hash is the file's unique fingerprint — two files with the same SHA-256 are identical. Use it to confirm you're looking at exactly this file (not just one with the same name) when comparing against antivirus databases or a download's published checksum.
How up to date is this analysis of OperaSetup.exe?
Evidence-based answer
This report reflects the scan run on September 29, 2026. Because a file's hash never changes, the identity of OperaSetup.exe is fixed — but antivirus coverage improves over time, so a file that looks clean today can pick up detections later (and vice-versa). If you need the latest picture, MalwareTips staff can re-run the analysis from scratch.
Chapter 06

Community

Member reviews and reports for this exact file hash.

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The raw file is processed temporarily and is not retained after processing. Its hash and report are public and permanent, so the next person who checks the same file gets an instant answer. Unknown files may be submitted to VirusTotal for analysis. If you ran this file on your computer and are worried, scan your system with an up-to-date antivirus and change critical passwords from a different device.