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perfectregistry2activatoronly_downloader-4u0ey5us.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 perfectregistry2activatoronly_downloader-4u0ey5us.exe by Somoto Israel has been detected as adware by 16 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 d2yy75szpp1u1r.cloudfront.net.
Publisher:
Somoto Israel  (signed and verified)

MD5:
a7273e269dc22c31fc1632ac7807cf28

SHA-1:
cca45667045a1571d4bcfe41b53dfb5ac2d92d2b

SHA-256:
dc3e9431e73d2c0f39a1149f48a48be588f4fb65105c943263dc1889137e7a76

Scanner detections:
16 / 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:
2/26/2025 10:35:23 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-AppCare/Somoto.236920.B
14.11.20

avast!
Win32:Somoto-O [PUP]
2014.9-141120

AVG
Downloader
2015.0.3285

Clam AntiVirus
Trojan.Agent-267630
0.98/18355

Comodo Security
Application.Win32.Somoto.DTL
18188

Dr.Web
Trojan.MulDrop4.11744
9.0.1.0324

ESET NOD32
Win32/Somoto
8.9737

K7 AntiVirus
Unwanted-Program
13.177.11922

Malwarebytes
PUP.Optional.Somoto
v2014.11.20.01

McAfee
Artemis!A7273E269DC2
5600.6941

NANO AntiVirus
Trojan.Nsis.Mazel.cwhyud
0.28.0.59608

Panda Antivirus
PUP/MultiToolbar.A
14.11.20.01

Qihoo 360 Security
Win32/Virus.Downloader.394
1.0.0.1015

Reason Heuristics
PUP.SomotoIsrael.r
14.11.20.1

Sophos
Somoto BetterInstaller
4.98

VIPRE Antivirus
BetterInstaller
28688

File size:
231.4 KB (236,920 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\bootleg activation files\prefect registry\perfectregistry2activatoronly_downloader-4u0ey5us.exe

Digital Signature
Signed by:
Somoto Israel

Authority:
COMODO CA Limited

Valid from:
7/7/2013 5:00:00 PM

Valid to:
7/8/2018 4:59:59 PM

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 1:14:15 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:oJ380osgGMY0ZqUpmMBkEfan7DEDnX4gAP8:oF80oNG75jEDX4E

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...
 
[+]

Entropy:
7.7633  (probably packed)

Code size:
30 KB (30,720 bytes)

The file perfectregistry2activatoronly_downloader-4u0ey5us.exe has been seen being distributed by the following URL.

http://d2yy75szpp1u1r.cloudfront.net/installers/cli/.../PerfectRegistry2ActivatorOnly_downloader-4U0ey5Us.exe

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