File scan report
Verdict Safe
Is Special
Widely submitted Inno Setup installer flagged by 5 of the 71 antivirus engines that checked it with generic labels only, while every major antivirus engine reported it clean and…
Read the whole reasonShow less
Moderate evidence · No engine flags it, but no publisher signature confirms who made it.
This installer appears to be a legitimate, widely distributed Inno Setup package; obtain it from the official Special K source and keep your security software enabled while installing.
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.
Reads the latest antivirus results for this file's hash. Nothing is uploaded.
Antivirus results
5 of 71 flagged
- Flagged 5
- No detection 66
- No result 4
- Code signing Unsigned
- Test run Completed
- First seen 2mo ago
Chapter 02
Why we think so
2 points against it and 4 in its favour, checked against the scan evidence.
The reasoning behind this verdict
Five of the 71 antivirus engines that checked it flagged this installer, all with generic or rule labels, and none of the major antivirus engines detected anything. It has been submitted by 179 different sources since first seen on Aug 16, 2026, and in the sandbox it behaved like a normal Inno Setup installer fetching Visual C++ runtimes from Microsoft.
None of the 18 major antivirus engines flagged the file; the five detections from Malwarebytes, Gridinsoft, Skyhigh, AhnLab-V3 and APEX use generic labels typical of rules reacting to Inno Setup packaging. The file is broadly distributed, with 179 distinct submitters. Activity in the test run showed the standard Inno Setup extraction step and downloads of Visual C++ redistributables from Microsoft's short-link service, with no injection targets or high-risk techniques. No public malware database or malware-specific rule matched. The main gap is the missing code signature, which keeps confidence moderate.
What We Detected
5 of the 71 antivirus engines that checked it flagged this installer with generic labels such as a generic Inno dropper and an obfuscation heuristic. All major antivirus engines that reported returned no detection, and no public malware database or malware-specific rule matched the file.
Threat Behavior
The sandbox runs showed the normal Inno Setup pattern: the installer unpacks a temporary setup helper and runs it. Network activity was limited to Microsoft links for Visual C++ runtime installers. No process injection target, persistence or high-risk technique was recorded. The high file entropy comes from the compressed installer payload, not packed code.
What To Do Now
Download Special K only from the project's official release channel and keep your antivirus enabled. If your security product blocks the installer, report it to that vendor as a possible false positive rather than turning protection off.
Where this verdict could be wrong2 caveats
- The installer is unsigned, so no publisher identity backs it.
- Five engines, including Malwarebytes and Gridinsoft, flag it as a dropper or trojan, though only with generic labels.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- None of the major antivirus engines detected the file.
- Submitted by 179 different sources, showing wide distribution.
- Activity in the test run matched a normal Inno Setup installer downloading Microsoft Visual C++ runtimes.
- No match in public malware databases or malware-specific rules.
- The installer carries no code signature.
- Five engines flag it with generic trojan or dropper labels.
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- 7sandbox rule tags
- 5spawned processes
- 2network contacts
- 4filesystem & mutex artifacts
What this file did when executed
This file was run in a sandbox and its runtime behaviour was observed.
Techniques observed in the sandbox
7MITRE ATT&CK techniques the sandbox mapped. Highlighted ones are rare in normal software; the others are common in legitimate programs too.
- T1027· Obfuscated code
- T1027.002· Obfuscated code
- T1033· Reads user info
- T1055· Process injection
- T1071· Application protocol
- T1082· System recon
- T1129· Loads modules
Observed activity
Processes started
5Programs the file ran, with their command lines.
SpecialK_26.8.12.exe"C:\Users\<USER>\Desktop\SpecialK_26.8.12.exe"SpecialK_26.8.12.tmp"C:\Users\<USER>\AppData\Local\Temp\is-5BD3SOY0G2.tmp\SpecialK_26.8.12.tmp" /SL5="$40070,10833241,1001984,C:\Users\<USER>\Desktop\SpecialK_26.8.12.exe"SpecialK_26.8.12.exeC:\Users\<USER>\AppData\Local\Temp\is-R4DXK9W7BX.tmp\SpecialK_26.8.12.tmp /SL5=$201BA,10833241,1001984,C:\Users\<USER>\Downloads\SpecialK_26.8.12.exeSpecialK_26.8.12.exe"C:\Users\user\Desktop\SpecialK_26.8.12.exe"SpecialK_26.8.12.tmp"C:\Users\user\AppData\Local\Temp\is-AWSLAPU5AH.tmp\SpecialK_26.8.12.tmp" /SL5="$30230,10833241,1001984,C:\Users\user\Desktop\SpecialK_26.8.12.exe"
Network contacts
22 hosts, listed as 1 address, 4 links. Links show the host and path only.
- IP address
184.28.3.247 - URL
https://aka.ms/vc14/vc_redist.x86.exe - URL
https://aka.ms/vs/18/release/vc_redist.x86.exe - URL
https://aka.ms/vc14/vc_redist.x64.exe - URL
https://aka.ms/vs/18/release/vc_redist.x64.exe
Files
4Files the file created, changed or deleted.
- Written
C:\Users\<USER>\AppData\Local\Temp\is-5BD3SOY0G2.tmp\SpecialK_26.8.12.tmp - Written
C:\Users\<USER>\AppData\Local\Temp\is-R4DXK9W7BX.tmp\SpecialK_26.8.12.tmp - Written
C:\Users\user\AppData\Local\Temp\is-AWSLAPU5AH.tmp - Written
C:\Users\user\AppData\Local\Temp\is-AWSLAPU5AH.tmp\SpecialK_26.8.12.tmp
Sandbox background — not the file
1The analysis machine's own processes and connections, recorded in every run.
- VM process
DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F32D97DF-E3E5-4CB9-9E3E-0EB5B4E49801}
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.
- 90f73d14b7f2a163107e…fc3098Not checkedno saved verdict
Chapter 04
Technical details
5 of the 71 antivirus engines that checked it flag it; no publisher signature.
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.
Engines that flagged it 5
The Safe verdict weighed these detections and treats them as non-decisive.
- AhnLab-V3Malware/Win.Generic.R779711
- APEXMalicious
- GridinsoftTrojan.Win32.Agent.dd!n
- MalwarebytesTrojan.Dropper.INNO
- SkyhighBehavesLike.Win32.ObfuscatedPoly.rc
File fingerprint
- Last analyzed
- Sep 6, 2026, 4:41 AM UTC
- SHA-256
cd88fd17311844e959c4fb0435b3a97abb9b64dc2cafd1ceabba685c782d096f- SHA-1
17113ed7c5f8079f6b3d2fad1c5920d8f013e54b- MD5
b8db9365c21d71c9aefaeeb7ee8b68bd
About this file
SpecialK_26.8.12.exe is a Win32 EXE file of 13.4 MB.
- Type and size
- Win32 EXE · 13.4 MB
- Signer
- UnsignedNo code signature.
- First seen
- Aug 16, 2026On VirusTotal.
- Submitted by
- 179 distinct sources
- Packer
- None detected
- Entropy
- 8.00 of 8
First scanned Updated
Verdict history
- Suspicious
- Safeafter a re-check of the saved evidence
Ratings change when antivirus engines, our checks or MalwareTips staff learn more about a file.
Antivirus consensus
5 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 engines3flagged
- Low-trust17 engines2flagged
View all 75 engine results
- AhnLab-V3Malicious: Malware/Win.Generic.R779711
- APEXMalicious: Malicious
- GridinsoftMalicious: Trojan.Win32.Agent.dd!n
- MalwarebytesMalicious: Trojan.Dropper.INNO
- SkyhighMalicious: BehavesLike.Win32.ObfuscatedPoly.rc
- AcronisClean
- AlibabaClean
- alibabacloudClean
- ALYacClean
- Antiy-AVLClean
- 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
- huorongClean
- IkarusClean
- JiangminClean
- K7AntiVirusClean
- K7GWClean
- KasperskyClean
- KingsoftClean
- LionicClean
- MaxSecureClean
- McAfeeDClean
- MicrosoftClean
- MicroWorld-eScanClean
- NANO-AntivirusClean
- PaloaltoClean
- PandaClean
- RisingClean
- SangforClean
- SentinelOneClean
- 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
Widely uploaded, but first seen within the last six months. No strong prior applies.
Chapter 05
Questions & answers
Short answers to the 6 questions people ask most about this file.
Is SpecialK_26.8.12.exe safe?
What is SpecialK_26.8.12.exe?
How many antivirus engines detected SpecialK_26.8.12.exe?
What is the SHA-256 hash of SpecialK_26.8.12.exe?
Is it safe to run SpecialK_26.8.12.exe?
How up to date is this analysis of SpecialK_26.8.12.exe?
Community
Member reviews and reports for this exact file hash.