File scan report
Verdict Safe
Is Lunar Client - Installer. exe safe? Yes, no threats found.
Zero engine detections on a signed Overwolf installer with clean sandbox and file it created results.
Strong evidence · A verified publisher signature, and no engine flags it.
Proceed with installation after confirming the digital signature; the file shows no malicious indicators across engines, behaviour, or children.
Good practice2 tips
We found nothing harmful in this file.
Install it only if it came from the developer's own website or an official app store.
Keep your antivirus and Windows updates switched on.
No scanner can promise a file is 100% safe.
Reads the latest antivirus results for this file's hash. Nothing is uploaded.
Antivirus results
0 of 69 flagged
- Flagged 0
- No detection 69
- No result 4
- Code signing Overwolf Ltd
- Test run Completed
- First seen 3mo ago
Chapter 02
Why we think so
1 point against it and 4 in its favour, checked against the scan evidence.
The reasoning behind this verdict
All 69 antivirus engines that checked it returned clean. The file is signed by Overwolf Ltd with a 100% safe historical sample. Sandbox execution produced no malicious verdicts and no malicious files it created or contacted hosts.
The complete absence of malicious detections across major and smaller engines combined with verified signing by Overwolf Ltd strongly supports a benign classification. Similar-hash RAG shows a prior safe verdict on another Overwolf installer using the same signer. No malicious sandbox verdict. No complete contacted-host reputation result was available.
What We Detected
73 engines scanned the sample; zero returned malicious or suspicious labels. The executable is signed and timestamped by Overwolf Ltd. Sandbox analysis recorded typical installer behaviour: extraction of .NET and Electron libraries, launch of Edge WebView2, and DNS-resolved connections to lunarclientcdn.com and overwolf analytics devices.
Threat Behavior
Seven MITRE techniques were observed, primarily process creation and file writes inside the installer’s temporary directory. No persistence mechanisms, no control-server domains, and no encryption of user data were present. All ten files it created remain unclassified and none triggered malicious verdicts in downstream scans.
What To Do Now
The installer can be executed in a standard user environment. Verify the digital signature in Windows before launch and download future updates only from lunarclient.com or the official Overwolf distribution channel.
Where this verdict could be wrong1 caveat
- triggeredHeuristics show high-severity three of our behaviour rules, which could indicate malicious behaviour if the Overwolf certificate were abused.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/69 engines flagged malicious
- verified signature by Overwolf Ltd
- no malicious sandbox verdict or files it created
- prior safe verdict on same signer
- rare and prevalence (only 2 submissions)
6 sources checked · 5 complete · 1 partial. See every source
Chapter 03
What it did in our test
It ran in our isolated test environment; no test environment rated what it did as risky.
Test run summary
Capture complete- 42sandbox rule tags
- 7spawned processes
- 15network contacts
- 40filesystem & mutex artifacts
Includes 42 mapped techniques, every process, file, registry and network entry and 9 dropped files.
Show the technical evidenceChapter 04
Technical details
None of the 69 antivirus engines that checked it flag it; signed by Overwolf Ltd.
Sources checked
Every check behind this verdict
6 sources checked · 5 complete · 1 partial. Complete means the check returned a usable result; it does not mean the file is safe.
File fingerprint
- Last analyzed
- Jul 7, 2026, 9:19 PM UTC
- SHA-256
57fac95018b945565454396e7481619c07cd6b13acdbdd3342577ebcd51263b6- SHA-1
6a3a6b157ca16c6bce131b81c36b829aeaecacd0- MD5
3cefec25c59d5983749a4a03e6fb165f
About this file
Lunar Client - Installer.exe is a Win32 EXE file of 3.2 MB.
- Type and size
- Win32 EXE · 3.2 MB
- Signer
- Overwolf LtdValid code signature.
- First seen
- Jul 7, 2026On VirusTotal.
- Submitted by
- 2 distinct sourcesRarely seen: few people have submitted this exact file.
- Packer
- None detected
- Entropy
- 8.00 of 8
First scanned Updated
Includes every engine result (73), 1 matched signature rule, PE section entropy and packers and how widely the file has been seen.
Show the technical evidenceChapter 05
Questions & answers
Short answers to the 7 questions people ask most about this file.
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Community
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