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294b48b986b63754fa28122fd87848e5bbcb1042

Sefo

MP3 TechSupport LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The file 294b48b986b63754fa28122fd87848e5bbcb1042, “Sefo Setup ” by MP3 TechSupport has been detected as adware 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 installCore installer. It is installed within the Mozilla Firefox web browser as part of an addin/plugin.
Publisher:
MP3 TechSupport LLC  (signed and verified)

Product:
Sefo

Description:
Sefo Setup

MD5:
d536865ae5e72a3e7f318536c9779c0f

SHA-1:
07005851a8280bcfd6e0143800b7989ae9820cbb

SHA-256:
80bdbacf52e2a255d78d468daae9e71810c8baaa1f81101362e6b8e74ac74238

Scanner detections:
1 / 68

Status:
Adware

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/25/2024 1:21:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.26.20

File size:
1.4 MB (1,430,960 bytes)

Product version:
1.5.5

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\mozilla\firefox\profiles\{user}.default\cache2\entries\294b48b986b63754fa28122fd87848e5bbcb1042

Digital Signature
Signed by:
MP3 TechSupport LLC

Authority:
Symantec Corporation

Valid from:
1/30/2017 1:00:00 AM

Valid to:
4/22/2018 1:59:59 AM

Subject:
CN=MP3 TechSupport LLC, O=MP3 TechSupport LLC, L=Lehi, S=Utah, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5ADACEC02DE27C8BEEF159CC436D4A35

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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