File scan report
Verdict Suspicious
Is After
This Adobe After Effects library carries an Adobe name but its signature does not verify. Microsoft alone flags it as Posilod, which points to a modified or patched file.
Read the whole reasonShow less
Why Suspicious? One antivirus engine (Microsoft) flags it; nothing else confirms it.
Limited evidence
Replace this DLL with a fresh copy from Adobe's official installer rather than running it. Keep antivirus protection enabled and scan the system if the file came from an unofficial source.
What to do now4 steps
Some signs point to a problem, but nothing confirms it is harmful. Treat it with caution.
What to do
Don't use it unless you're sure where it came from.
Check where you got it: an unexpected attachment, a link someone sent you or a re-upload is a red flag.
If you can't confirm where it came from, delete it. If you need the program, download it again from the publisher's own website.
If you already used it
Stop using it, run a full scan with your antivirus and watch for unexpected behavior or security alerts.
Not sure what to do?
Ask the MalwareTips community before you run it. If you already ran it, follow the cleanup guide.
- Ask for free help on the MalwareTips forumWindows malware removal help, answered by volunteers. (opens malwaretips.com in a new tab)
- Remove malware from WindowsStep-by-step cleanup with free tools. (opens malwaretips.com in a new tab)
Paste this report's link in your topic so helpers can see what was found.
Reads the latest antivirus results for this file's hash. Nothing is uploaded.
Antivirus results
1 of 68 flagged
- Flagged 1
- No detection 67
- No result 7
- Code signing Signer not verified
- Test run Completed
- First seen 1mo ago
Chapter 02
Why we think so
3 points against it and 4 in its favour, checked against the scan evidence.
The reasoning behind this verdict
Only 1 of the 68 antivirus engines that checked it flagged this DLL: Microsoft, with a Posilod label. The sandbox run was clean. However, the file's Adobe signature is invalid and the file is marked corrupt. That is typical of patched or cracked Adobe components and leaves its integrity unconfirmed.
Microsoft's Posilod.EB!cl detection is the only hit among 75 engines, and 16 other major antivirus engines did not flag the file. The file presents an 'Adobe Inc.' signer, but the signature is invalid and the file is tagged corrupt. A genuine Adobe library should carry a valid signature. Earlier Adobe-signed files we judged safe all had verified signatures, so that history does not carry over to this file. The single sandbox run was clean. No complete reputation check exists for network hosts, and the only contact observed was the analysis machine's own background traffic. Taken together, the evidence is mixed rather than clearly malicious or clearly benign.
What We Detected
One of the 68 antivirus engines that checked it flagged this 64-bit DLL: Microsoft, as Trojan:Win32/Posilod.EB!cl. Kaspersky, ESET, BitDefender, Avast and the other major antivirus engines did not flag it. The file names Adobe Inc. as its signer, but the signature is invalid and the file is marked corrupt. Adobe files we have reviewed before carried valid signatures.
Threat Behavior
One sandbox run finished with a clean result. The run mapped a process-injection technique, but recorded no injected target process. The DLL was loaded through rundll32 using C++ export names, which is consistent with an ordinary application library. The only network contact belonged to the analysis machine's background traffic. No complete reputation check of contacted hosts is available. No packing was detected, and no external threat-intelligence sources matched the file.
What To Do Now
Do not trust this copy. Reinstall After Effects from Adobe's official Creative Cloud channel instead. If this DLL came from a crack or patch bundle, remove it. Keep your antivirus enabled and run a full scan.
Where this verdict could be wrong2 caveats
- Sixteen other major antivirus engines, including Kaspersky, ESET, BitDefender and Avast, did not flag the file. The sandbox run was clean, so the Microsoft detection could be a false positive on a legitimate but damaged Adobe library.
- The broken signature may be caused by file corruption or truncation in transit rather than deliberate tampering.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- Only 1 of the 68 antivirus engines that checked it flagged the file, and 16 other major antivirus engines did not
- The single sandbox run returned a clean result
- No packing and no external threat-intelligence hits
- Moderately common, seen from 21 different sources
- The Adobe signature on the file is invalid, and the file is marked corrupt
- Microsoft detects it as the Posilod trojan family
- An invalid signature on an Adobe library suggests the file was modified or patched
6 sources checked · 5 complete · 1 not needed or not applicable. 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- 11sandbox rule tags
- 6spawned processes
- 0network contacts
- 1filesystem & mutex artifacts
What the test run showed
What the file did on a test computer
Confirmed in the test run
Moderate concern: Contains packed or scrambled code that is harder to inspect (common in installers too).
Note: Read the user name of the test computer.
Note: Listed the programs running on the test computer.
Note: Read basic details of the test computer, such as its Windows version.
Sandbox labels we could not confirm (common in safe files too)
Not confirmed: A sandbox rule tagged this run as code injection, but no injected program was recorded.
Not confirmed: A sandbox rule tagged this run as contacting a server, but no contacted host was recorded.
This file was run on a test computer (a sandbox), not on yours. Labels we could not confirm are listed so you can see them, but they are not treated as evidence against the file.
Recorded behavior
What happened in the test
Grouped by step. The order is not a timeline.
- 1
Input file
The submitted object
- Evidence 1 of 4: FileSeen in the test run
AfterFXLib.dll
e0b699f4d85df5e799d3aba0dfd2e79d5caee20f253b6413037aed253f17e790
Uploaded file
- 2
Processes
What ran
- Evidence 2 of 4: ProcessSeen in the test run
rundll32.exe
"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\init.dll",#1
Test run - Evidence 3 of 4: ProcessSeen in the test run
loaddll64.exe
C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\init.dll"
Test run - +1 more recorded observation
- 1
Files
Created or changed
- Evidence 4 of 4: Written fileSeen in the test run
Connect
\Device\ConDrv\\Connect
Test run
4 facts from the test run. See the full activity list.
What this file did when executed
This file was run in a sandbox and its runtime behaviour was observed.
Sandbox verdicts
1- VT: CLEANclean
Techniques observed in the sandbox
11MITRE 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
- T1036
- T1055· Process injection
- T1057· Lists programs
- T1071· Application protocol
- T1082· System recon
- T1218.011
- T1553
- T1553.002
Observed activity
Processes started
6Programs the file ran, with their command lines.
rundll32.exe"C:\Windows\sysnative\rundll32.exe" "C:\Users\<USER>\Desktop\init.dll",#1loaddll64.exeC:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\init.dll"cmd.exeC:\Windows\System32\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\init.dll",#1rundll32.exeC:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\init.dll",#1rundll32.exeC:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\init.dll,??0?$enable_shared_from_this@VCLayer@@@boost@@IEAA@AEBV01@@Zrundll32.exeC:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\init.dll,??0?$enable_shared_from_this@VCLayer@@@boost@@IEAA@XZ
Files
1Files the file created, changed or deleted.
- Written
\Device\ConDrv\\Connect
Sandbox background — not the file
2The analysis machine's own processes and connections, recorded in every run.
- VM process
conhost.exeC:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 - VM host
162.159.36.2
Chapter 04
Technical details
1 of the 68 antivirus engines that checked it flags it; a signature that did not verify.
Sources checked
Every check behind this verdict
6 sources checked · 5 complete · 1 not needed or not applicable. Complete means the check returned a usable result; it does not mean the file is safe.
Engines that flagged it 1
- Microsoft (major engine)Trojan:Win32/Posilod.EB!cl
File fingerprint
- Last analyzed
- Oct 16, 2026, 4:54 PM UTC
- SHA-256
e0b699f4d85df5e799d3aba0dfd2e79d5caee20f253b6413037aed253f17e790- SHA-1
c7409cb08ff1923b8f95cae3b50fb8400c102485- MD5
1cfe4a1697ffe19a03066f8c1d888714
About this file
AfterFXLib.dll is a Win32 DLL file of 49.3 MB.
- Type and size
- Win32 DLL · 49.3 MB
- Signer
- Adobe Inc. (unverified signature)Worth noting: Malware sometimes copies or steals a company's signature, so this does not mean that company made it.
- First seen
- Sep 16, 2026On VirusTotal.
- Submitted by
- 21 distinct sources
- Packer
- None detected
- Entropy
- 6.50 of 8
First scanned
Antivirus consensus
1 of 68 engines flagged this file
7 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 engines1flagged
- Tier-233 engines0flagged
- Low-trust17 engines0flagged
View all 75 engine results
- MicrosoftMalicious: Trojan:Win32/Posilod.EB!cl
- 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
- DeepInstinctNo result
- DrWebClean
- ElasticNo result
- EmsisoftClean
- ESET-NOD32Clean
- F-SecureClean
- FortinetClean
- GDataClean
- GoogleNo result
- GridinsoftClean
- huorongClean
- IkarusClean
- JiangminClean
- K7AntiVirusClean
- K7GWClean
- KasperskyClean
- KingsoftClean
- LionicClean
- MalwarebytesClean
- MaxSecureClean
- McAfeeDClean
- 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
Moderate prevalence — neither rare nor common. No strong prior applies.
Chapter 05
Questions & answers
Short answers to the 7 questions people ask most about this file.
Is AfterFXLib.dll safe, or is it malware?
What is AfterFXLib.dll?
How many antivirus engines detected AfterFXLib.dll?
I already downloaded and used AfterFXLib.dll — what should I do?
Is AfterFXLib.dll digitally signed?
What is the SHA-256 hash of AfterFXLib.dll?
How up to date is this analysis of AfterFXLib.dll?
Community
Member reviews and reports for this exact file hash.