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flvplayerupdate_downloader_by_flvplayerupdate.exe

Somoto Ltd.

Somoto uses a monetization platform known as the 'Better Installer' to provide the ability of 3rd party developers to bundle various adware packages through an affiliate pay-per-install program. The application flvplayerupdate_downloader_by_flvplayerupdate.exe by Somoto has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for additional third party applications, mostly adware toolbars, with legitimate softare and may be installed without adequate user consent.
Publisher:
Somoto Ltd.  (signed and verified)

MD5:
d5442b620d7b10f19bc8ac2318c84eca

SHA-1:
35ffa7a4ae2f00e72581ce1f44bb0b26f37656f8

SHA-256:
bcb9c417c757b9654a4a0bbcb7d7f4b8250c23bfe14a4c720fd5b956c8ff4cb1

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

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:
4/26/2024 5:30:34 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Somoto
2015.01.23

Avira AntiVirus
APPL/Somoto.Gen2
7.11.204.170

avast!
Win32:Malware-gen
2014.9-150123

AVG
Generic
2016.0.3221

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15123

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Somoto
0.98/21511

Dr.Web
Trojan.Packed.28357
9.0.1.023

ESET NOD32
Win32/Somoto
9.11061

K7 AntiVirus
Unwanted-Program
13.191.14731

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.2598

McAfee
Artemis!D5442B620D7B
5600.6877

NANO AntiVirus
Riskware.Win32.Downware.digcac
0.30.0.64812

Panda Antivirus
PUP/MultiToolbar.A
15.01.23.08

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.1.23.8

Sophos
Somoto BetterInstaller
4.98

SUPERAntiSpyware
PUP.Somoto/Variant
10098

Trend Micro House Call
TROJ_GEN.R047H07L914
7.2.23

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
36904

File size:
290.1 KB (297,056 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\appdata\local\temp\flvplayerupdate_downloader_by_flvplayerupdate.exe

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/2/2014 8:00:00 AM

Valid to:
7/3/2015 7:59:59 AM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
6A0C39D0252522A9C448352858ACAACB

File PE Metadata
Compilation timestamp:
12/17/2010 5:14:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:kA0m3j0oDqkTy3/SPvAjFhlTuWzBsI7stlxu4Jz32m9mDtE7gsI4q/zdmtkfGU:kA0ij0oDqQE/3jzlTPSI7stlxpzGw2tN

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.8368  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file flvplayerupdate_downloader_by_flvplayerupdate.exe has been seen being distributed by the following 10 URLs.

http://113.171.224.205/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.214/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.168/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.170/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.208/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.241/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.165/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.206/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://113.171.224.243/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

http://downloadcdn.betterinstaller.com/installers/f/.../FLVPlayerUpdate_downloader_by_FLVPlayerUpdate.exe

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.