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ffmpegsumo.dll

SIEN S.A.

This is the SIEN AppScion Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The module ffmpegsumo.dll by SIEN S.A has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the SIEN SuperInstall installer.
Publisher:
SIEN S.A.  (signed and verified)

MD5:
1e819c413432afbea41b0d30d463b2f2

SHA-1:
4973bfcbbf643027b49ea6d13a836ff171355dac

SHA-256:
2fc36327bd09066f22b0957c0608b1dcbee8fb71ff559978b7a8dd9a79de13eb

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 9:45:11 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.1.13

File size:
868.3 KB (889,144 bytes)

File type:
Dynamic link library (Win32 DLL)

Bundler/Installer:
SIEN SuperInstall

Common path:
C:\users\{user}\appdata\local\1stbrowser\application\32.1.1700.77\ffmpegsumo.dll

Digital Signature
Signed by:
SIEN S.A.

Authority:
VeriSign, Inc.

Valid from:
8/21/2012 9:00:00 PM

Valid to:
8/22/2014 8:59:59 PM

Subject:
CN=SIEN S.A., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SIEN S.A., L=Paris, S=France, C=FR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
514EA00D30C8C244C3E818890BF73967

File PE Metadata
Compilation timestamp:
2/6/2014 7:22:07 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x82028

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, BB, BD, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 51, 56, 8B, 75, 0C, 56, E8, 3B, 82, 00, 00, 89, 45, 0C, 8B, 46, 0C, 59, A8, 82, 75, 17, E8, 57, EF, FF, FF, C7, 00, 09, 00, 00, 00, 83, 4E, 0C, 20, 83, C8, FF, E9, 2F, 01, 00, 00, A8, 40, 74, 0D, E8, 3C, EF, FF, FF, C7, 00, 22, 00, 00, 00, EB, E3, 53, 33, DB, A8, 01, 74, 16, 89, 5E, 04, A8, 10, 0F, 84, 87, 00, 00, 00, 8B, 4E, 08, 83, E0, FE, 89, 0E...
 
[+]

Code size:
587 KB (601,088 bytes)

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