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aarc2_downloader-cb9kr6rf.exe

Somoto Israel

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application aarc2_downloader-cb9kr6rf.exe by Somoto Israel has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from www.solidfiles.com.
Publisher:
Somoto Israel  (signed and verified)

MD5:
248dfda08cfb763943c08f49d782f842

SHA-1:
d9f8164716d3b464df4182a67016b9c31c29f28f

SHA-256:
2a22d92ec5b64007d3a4e147bfff9d8d36991bef787e48c95b94e6e9b1eb6557

Scanner detections:
13 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 4:10:56 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Downloader
2016.0.2980

Clam AntiVirus
Trojan.Agent-267630
0.98/18355

Dr.Web
Trojan.MulDrop4.11744
9.0.1.0264

ESET NOD32
Win32/Somoto
9.9639

K7 AntiVirus
Unwanted-Program
13.176.11663

Malwarebytes
PUP.Optional.Somoto
v2015.09.21.10

McAfee
Artemis!248DFDA08CFB
5600.6636

Panda Antivirus
PUP/MultiToolbar.A
15.09.21.10

Qihoo 360 Security
Win32/Virus.Downloader.394
1.0.0.1015

Reason Heuristics
PUP.Somoto.SomotoIsrael.Bundler (M)
15.9.21.10

Sophos
Somoto BetterInstaller
4.98

Trend Micro House Call
TROJ_GEN.F47V0403
7.2.264

VIPRE Antivirus
Trojan.Win32.Generic
28054

File size:
231.4 KB (236,944 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\aarc2_downloader-cb9kr6rf.exe

Digital Signature
Signed by:
Somoto Israel

Authority:
COMODO CA Limited

Valid from:
7/8/2013 2:00:00 AM

Valid to:
7/9/2018 1:59:59 AM

Subject:
CN=Somoto Israel, O=Somoto Israel, STREET=Habarzel 32, L=Tel Aviv, S=--, PostalCode=69700, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
74F2E607D2905C0E3EA9C8AB59942D25

File PE Metadata
Compilation timestamp:
12/17/2010 10:14:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:gJ380oZ7hPGMY0ZqzK1YBHXPc9Ob4q/QuNi3gAPd:gF80oZ7lG7oWe92g9V

Entry address:
0x380C

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 87, 4D, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 2A, 4A, 00, 00, 6A, 00, E8, 9B, 4D, 00, 00, 6A, 08, A3, 28, F9, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, D8, F9, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, 4C, A2, 40, 00, E8, E0, 4C, 00, 00, 83, EC, 0C, 68, 4D, A2, 40, 00, 68, 08, FA, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, E6, 49, 00, 00, 52, 52, 50, 68, 00, 80, 43, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 29, 49, 00, 00, 83...
 
[+]

Code size:
30 KB (30,720 bytes)

The file aarc2_downloader-cb9kr6rf.exe has been seen being distributed by the following URL.

http://www.solidfiles.com/.../AARC2_downloader-cB9Kr6Rf.exe

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