File scan report
Verdict Safe
Is MBSetup. exe safe? Yes, no threats found.
This Malwarebytes setup installer carries a valid Malwarebytes Inc signature, none of the 71 antivirus engines that checked it flagged it, and it is widely submitted by over…
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Strong evidence · A verified publisher signature, and no engine flags it.
This installer can be used normally when obtained from the official Malwarebytes website; keep your antivirus protection enabled.
Good practice2 tips
We found nothing harmful in this file.
Run 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.
Antivirus results
0 of 71 flagged
- Flagged 0
- No detection 71
- No result 4
- Code signing Malwarebytes Inc
- Test run Completed
- First seen 17d ago
Chapter 02
Why we think so
0 points against it and 5 in its favour, checked against the scan evidence.
The reasoning behind this verdict
None of the 71 antivirus engines that checked it flagged this installer, and it carries a verified signature from Malwarebytes Inc, a publisher on our trusted list. One sandbox run returned malicious while another returned clean, with no injection target recorded, which fits normal installer behaviour.
The file is validly signed by Malwarebytes Inc and matches our curated trusted-publisher list. Across six sandbox runs, one returned a malicious verdict and another returned clean; no process injection target was recorded and only techniques common in legitimate installers were mapped, such as writing test files and setting Malwarebytes registry keys. Its network contacts, an analytics service and an Amazon certificate host, showed no known-malicious or suspicious reputation in our host check. A prior file from the same signer was also judged clean.
What We Detected
None of the 71 antivirus engines that checked it flagged this Win32 installer. It carries a verified code signature from Malwarebytes Inc, a trusted publisher, and has been submitted by 1,778 distinct sources in its first ten days. Reference databases and community rule sets returned no hits.
Threat Behavior
Six sandbox runs observed the installer. One run returned malicious and another returned clean. The activity seen — writing Malwarebytes test files, setting Malwarebytes registry keys, contacting an analytics endpoint and an Amazon certificate host — matches a security-product setup program. No injection into another process was recorded, and the five contacted hosts we checked carry no malicious or suspicious reputation.
What To Do Now
If you downloaded this from the official Malwarebytes site, it can be run normally. Keep your existing antivirus enabled during installation.
Where this verdict could be wrong2 caveats
- One sandbox run returned a malicious verdict, but another run returned clean and no injection target or other hard runtime artefact was recorded.
- A community annotation from an automated analysis feed gave a high threat score, but it names no family and no engine supports it.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- Verified code signature from Malwarebytes Inc, a trusted publisher
- None of the 71 antivirus engines that checked it flagged the file
- Widely seen, with over 1,700 distinct submitters
- No hits in malware sample databases or malware-specific rule sets
- Contacted hosts showed no malicious or suspicious reputation
6 sources checked · 5 complete · 1 partial. See every source
Chapter 03
What it did in our test
It ran in 6 isolated tests; 1 test environment rated what it did as risky.
Test run summary
Capture complete- 6isolated sandbox runs
- 38sandbox rule tags
- 1spawned processes
- 6network contacts
- 14filesystem & mutex artifacts
What this file did when executed
This file was detonated in 6 sandboxes and the results were split: 1 returned "malicious" and 1 returned "clean".
Sandbox verdicts
2- VT: MALWAREmalicious
- VT: CLEANclean
Techniques observed in the sandbox
38MITRE ATT&CK techniques the sandbox mapped. Highlighted ones are rare in normal software; the others are common in legitimate programs too.
- T1007
- T1010
- T1012
- T1016· Network recon
- T1027· Obfuscated code
- T1027.002· Obfuscated code
- T1027.005· Obfuscated code
- T1033· Reads user info
- T1036
- T1047
- T1055· Process injection
- T1057· Lists programs
- T1059· Runs commands
- T1063
- T1071· Application protocol
- T1082· System recon
- T1083· Scans your files
- T1087
- T1112
- T1119
- T1129· Loads modules
- T1134
- T1134.001
- T1198
- T1213
- T1489· Stops services
- T1497· Sandbox evasion
- T1497.001· Sandbox evasion
- T1518· Checks your AV
- T1518.001· Checks your AV
- T1529
- T1543.003· Service install
- +6 more
Observed activity
Processes started
1Programs the file ran, with their command lines.
MBSetup-5.5.exe"C:\Users\user\Desktop\MBSetup-5.5.exe"
Network contacts
66 hosts, listed as 2 domains, 3 addresses, 2 links. Links show the host and path only.
- Domain
api2.amplitude.com - Domain
crt.rootg2.amazontrust.com - IP address
32.190.27.237 - IP address
3.167.69.74 - IP address
44.233.192.148 - URL
http://crt.rootg2.amazontrust.com/rootg2.cer
Show all 7 entries for network contacts
- URL
api2.amplitude.com/batch
Files
9Files the file created, changed or deleted.
- Written
C:\ProgramData\mbamtestfile.dat - Written
C:\Program Files (x86)\mbamtestfile.dat - Written
C:\Windows\system32\drivers\mbamtestfile.dat - Written
C:\Windows\SysWOW64\drivers\mbamtestfile.dat - Written
C:\Users\user\AppData\Local\Temp\mbsetup.log - Written
\Sessions\1\BaseNamedObjects
Show all 9 entries for files
- Written
\Device\KsecDD - Written
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DABA17F5E36CBE65640DD2FE24F104E7 - Written
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DABA17F5E36CBE65640DD2FE24F104E7
Registry and auto-start
7Settings the file changed, including ways to start again after a restart.
- Set
SOFTWARE\Malwarebytes\id - Set
HKEY_USERS\S-1-5-21-4270068108-2931534202-3907561125-1001\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.exe\OpenWithProgids\exefile - Set
HKEY_LOCAL_MACHINE\SOFTWARE\Malwarebytes - Set
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Malwarebytes - Set
HKEY_LOCAL_MACHINE\SOFTWARE\Malwarebytes\id - Set
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Malwarebytes\id
Show all 7 entries for registry and auto-start
- Deleted
HKEY_LOCAL_MACHINE\Software\mbamtestkey
Mutexes
4Named locks a program uses so only one copy runs; malware families often reuse them.
C__Users_azure_Downloads_MBSetup-5.5.exeC__Users_user_AppData_Local_Temp_2f808af6004f3fc7bc73fe3c7eab6cfc.exeLocal\MSCTF.Asm.MutexDefault1\Sessions\1\BaseNamedObjects\C__Users_user_Desktop_MBSetup-5.5.exe
Sandbox background — not the file
1The analysis machine's own processes and connections, recorded in every run.
- VM host
8.8.8.8
Files this sample writes at runtime
This file drops 1 child at runtime. None are currently flagged malicious in our cache. 1 has no saved verdict and was not checked; that is missing coverage, not a finding.
- de29c28241fb43416fc1…196476Not checkedno saved verdict
Chapter 04
Technical details
None of the 71 antivirus engines that checked it flag it; signed by Malwarebytes Inc.
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
- Oct 18, 2026, 4:53 PM UTC
- SHA-256
985d654dab8b1a919bf985a7235079a1097ec77565a807f0a1d6882eb97b6c59- SHA-1
f4af4db1d85d59d5e668979efd4a2ff3c81ce086- MD5
873d8814ae516ba57a812bde4c42adb8
About this file
MBSetup.exe says it is Malwarebytes Setup (Malwarebytes), 2.9 MB.
- Claims to be
- Malwarebytes Setup (Malwarebytes)From the file's own version information, written by whoever built it.
- Original name
- MBSetup.exeMatches the shared file name.
- Type and size
- Win32 EXE · 2.9 MB
- Signer
- Malwarebytes IncValid code signature.
- First seen
- Oct 8, 2026On VirusTotal.
- Submitted by
- 1,778 distinct sources
- Packer
- None detected
- Entropy
- 6.86 of 8
First scanned
Verdict history
- Suspicious
- Safeafter a new scan
Ratings change when antivirus engines, our checks or MalwareTips staff learn more about a file.
Antivirus consensus
0 of 71 engines flagged this file
4 of the 75 engines returned no result for this file (file type not supported, or the scan did not finish), so they did not check it.
- Tier-118 engines0flagged
- Tier-236 engines0flagged
- Low-trust17 engines0flagged
View all 75 engine results
- AcronisClean
- AhnLab-V3Clean
- AlibabaClean
- alibabacloudClean
- ALYacClean
- Antiy-AVLClean
- APEXClean
- ArcabitClean
- AvastClean
- Avast-MobileNo result
- AVGClean
- AviraClean
- BitDefenderClean
- BitDefenderFalxNo result
- BkavClean
- CAT-QuickHealClean
- ClamAVClean
- CMCClean
- CrowdStrikeClean
- CTXClean
- CylanceClean
- CynetClean
- DeepInstinctClean
- DrWebClean
- ElasticClean
- EmsisoftClean
- ESET-NOD32Clean
- F-SecureClean
- FortinetClean
- GDataClean
- GoogleClean
- GridinsoftClean
- huorongClean
- IkarusClean
- JiangminClean
- K7AntiVirusClean
- K7GWClean
- KasperskyClean
- KingsoftClean
- LionicClean
- MalwarebytesClean
- MaxSecureClean
- McAfeeDClean
- MicrosoftClean
- MicroWorld-eScanClean
- NANO-AntivirusClean
- PaloaltoClean
- PandaClean
- RisingClean
- SangforClean
- SentinelOneClean
- SkyhighClean
- SophosClean
- SUPERAntiSpywareClean
- SymantecClean
- SymantecMobileInsightNo result
- TACHYONClean
- tehtrisClean
- TencentClean
- TrapmineClean
- TrellixENSClean
- TrendMicroClean
- TrendMicro-HouseCallClean
- TrustlookNo result
- VaristClean
- VBA32Clean
- VIPREClean
- VirITClean
- ViRobotClean
- WebrootClean
- XcitiumClean
- YandexClean
- ZillyaClean
- ZoneAlarmClean
- ZonerClean
Signatures and behavior heuristics
Low-severity pattern matches — worth noting but not on their own cause for alarm.
VirusTotal's sandbox summary maps this run to MITRE T1055 (Process Injection), but no injected process of the sample's own was recorded (the analysis VM's own WMI adapter, crash handlers and Chrome updater are not counted). VirusTotal maps T1055 on about half of all files no engine flags, so the mapping alone is not evidence of injection.
EvidenceT1055 (sandbox MITRE mapping)
Section entropy & packers
No high-entropy executable section or known packer signature was detected. Data and resource sections can still have high entropy without indicating packed code.
How widely this file has been seen
Lots of people are uploading this but it's recent — typical of newly-released legitimate software. Low prior for malware.
Chapter 05
Questions & answers
Short answers to the 7 questions people ask most about this file.
Is MBSetup.exe safe?
What is MBSetup.exe?
How many antivirus engines detected MBSetup.exe?
Is MBSetup.exe digitally signed?
What is the SHA-256 hash of MBSetup.exe?
Is it safe to run MBSetup.exe?
How up to date is this analysis of MBSetup.exe?
Community
Member reviews and reports for this exact file hash.