This file claims to be Microsoft. The signer doesn't match.
- File name claims "Microsoft" but has no Authenticode signer. Legitimate Microsoft binaries are always signed.
Is Microsoft.Services.Store.winmd safe?
No antivirus or runtime malware findings emerged, but the unsigned file's Microsoft-branded name creates a significant authenticity concern requiring source verification.
All 75 antivirus engines returned no detection, including 17 tier-1 engines, and one completed sandbox run produced no malware verdict. However, the file claims Microsoft branding while lacking an Authenticode signer, producing a 75/100 brand-mismatch score; verify it against an official package before use.
45715793b8c8571554…8363bbe4da3dd9Recommended next actions
Before opening
Do not open it until the source can be verified independently.
If you already opened it
Stop using it, scan the device, and watch for unexpected behavior or security alerts. Get a fresh copy from the original trusted source and verify its exact hash when possible.
Intelligence
The saved assessment, checked against the scan evidence and recorded coverage.
The reasoning behind this verdict
This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.
All 75 antivirus engines returned no detection, including 17 tier-1 engines, and one completed sandbox run produced no malware verdict. However, the file claims Microsoft branding while lacking an Authenticode signer, producing a 75/100 brand-mismatch score; verify it against an official package before use.
The strongest reassuring evidence is that 0 of 75 engines detected the sample, with all 17 reporting tier-1 engines silent. One completed sandbox run produced no malware verdict, no offensive-only techniques, no persistence indicators, and no dropped hashes. The file has also been submitted 3,534 times by 2,889 sources, reducing concern that it is newly introduced. Against that, its Microsoft-branded filename is unsupported by any Authenticode signature, yielding a brand-mismatch score of 75. Similar-file history is mixed and based only on an imphash shared without signer corroboration, so it does not resolve authenticity. No complete contacted-host reputation result is available, though the observed run recorded no network contacts to assess.
What We Detected
None of the 75 antivirus engines flagged the file, including all 17 reporting tier-1 engines. No named malware family was identified, and YARAify returned zero matching rules while MalwareBazaar returned no hit.
Threat Behavior
One completed sandbox run produced no malware verdict, no offensive-only techniques, no persistence indicators, and no dropped-file hashes. Five ambient techniques were logged, including T1027, T1033, T1082, T1218.011, and T1574; these observations are not independently sufficient to establish malicious activity. The run recorded no contacted domains, IP addresses, or URLs, while a separate host-reputation cross-check was not available.
Authenticity Concerns
The filename claims Microsoft branding, but signing.signed=false and actualSigner=null, resulting in brandMismatch.score=75. Because code signing is applicable to this file type, the absence of a Microsoft signature prevents reliable publisher verification. The file is broadly distributed, with 2,889 sources and 3,534 submissions, which weighs against a newly deployed payload but does not prove authenticity.
What To Do Now
Do not place the file into a Windows system directory or register it manually unless it came from an official Microsoft package. Compare its SHA-256 hash with the vendor-supplied package, reinstall the associated component through an official Microsoft channel if needed, and keep endpoint protection enabled.
Where this verdict could be wrong3 caveats
- The filename claims Microsoft while signing.signed=false, and brandMismatch.score=75; an authentic Microsoft executable component would normally carry a verifiable Microsoft signature.
- peAnalysis.likelyPacked=true, although peAnalysis.highEntropyCode=false and the listed packer is merely '.NET executable'.
- similarHashes[4].verdict='malicious' names Zusy, but the match is imphash-only without a signer co-match and the current file has 0/75 detections.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/75 engines reported a detection
- tier1Malicious=0 and tier1ReportedClean=17
- behaviour.hasMaliciousSandboxVerdict=false across one completed sandbox run
- behaviour.offensiveCount=0 and no persistence indicators were recorded
- 2,889 sources submitted the file 3,534 times
- brandMismatch.score=75 for a Microsoft-branded filename with actualSigner=null
- signing.applicable=true but signing.signed=false
- peAnalysis.likelyPacked=true
- No complete contactedHosts reputation cross-check is available
Verify the hash and origin against an official Microsoft-distributed package before loading or installing the file. If provenance cannot be established, quarantine it and obtain a fresh copy through an official channel while keeping endpoint protection enabled.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Not runNo contacted-host reputation check is recorded.
No timestamp recordedYARA
CompleteRule evaluation completed with no recorded matches.
External intel
Complete3 of 3 independent reference sources completed.
Behavior
Plain-English impact first, then the observed runtime evidence.
Runtime flight recorder
Capture complete- 1isolated sandbox run
- 5MITRE ATT&CK techniques
- 5spawned processes
- 0network contacts
- 1filesystem & mutex artifacts
What this file does
Observed actions and their security significance
High concern: Manipulated how the operating system loads code, which can redirect execution.
Moderate concern: Contained obfuscated or packed code that makes inspection harder.
Note: Reads your Windows user-account details.
Note: Collects details about your system.
These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.
Attack story
Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.
Input file
The submitted object
- FileObserved
Microsoft.Services.Store.winmd
45715793b8c8571554b0bfb4eccc29e2884c16481e1c7dbee78363bbe4da3dd9
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\System32\rundll32.exe" "C:\Users\<USER>\Desktop\library.dll",#1
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\System32\loaddll32.exe loaddll32.exe "C:\Users\user\Desktop\readme.dll"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
Connect
\Device\ConDrv\\Connect
04Isolated runtime analysis
4 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.
What this file did when executed
This file was detonated in 1 sandbox and its runtime behaviour was observed.
Adversary techniques mapped to the MITRE ATT&CK framework.
- \Device\ConDrv\\Connect
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 0rule hits recorded
- 0 / 75engines flagged
- 2,889sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
The file claims to be Microsoft, but its publisher identity does not match.
Verdict inputView chapterProvenanceDerivedSourceFile identity comparisonObserved at - 02
0 of 75 antivirus engines flagged the file.
ProvenanceObservedSourceAntivirus analysisObserved at - 03
The hash has been submitted 3,534 times from 2,889 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 04
Scanned file: Microsoft.Services.Store.winmd — 45715793b8c8571554b0bfb4eccc29e2884c16481e1c7dbee78363bbe4da3dd9
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Windows\System32\rundll32.exe" "C:\Users\<USER>\Desktop\library.dll",#1
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\System32\loaddll32.exe loaddll32.exe "C:\Users\user\Desktop\readme.dll"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Connect — \Device\ConDrv\\Connect
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
The available sources did not agree on a named threat category.
MalwareBazaar, YARAify, and CIRCL hashlookup completed and returned no entries for this hash.
YARA rules
No matchesThe rule pass completed without a saved public match.
0 of 75 engines flagged this file
View all 75 engine results
Section entropy & packers
A known packer signature (UPX / Themida / VMProtect / etc.) matched this file. Packers aren't malicious on their own, but most malware uses them.
Packers compress or encrypt the executable and only unpack it at runtime. Legitimate commercial software uses them too — but if the file is also unsigned and rare, it's a strong malware signal.
How widely this file has been seen
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- Microsoft.Services.Store.winmd
- Format
- Win32 DLL
- Code signing
- No verified publisher
- Size
- 5.0 KB
- Last analyzed
- Oct 5, 2026, 4:54 PM UTC
45715793b8c8571554b0bfb4eccc29e2884c16481e1c7dbee78363bbe4da3dd9Safety & 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.
- Recovery step 01
Don't open it unless you're certain it came from a source you trust.
- Recovery step 02
Check where you got it — an unexpected attachment or a random download link is a red flag.
- 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 original trusted source and verify its exact hash when possible.
- 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.
Is Microsoft.Services.Store.winmd safe, or is it malware?
What is Microsoft.Services.Store.winmd?
How many antivirus engines detected Microsoft.Services.Store.winmd?
I already downloaded and opened Microsoft.Services.Store.winmd — what should I do?
How do I remove Microsoft.Services.Store.winmd?
What is the SHA-256 hash of Microsoft.Services.Store.winmd?
How up to date is this analysis of Microsoft.Services.Store.winmd?
Community
Member reviews and reports for this exact file hash.