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microsoft_downloader-chwytmnw.exe

Somoto Israel

This is part of 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 microsoft_downloader-chwytmnw.exe by Somoto Israel has been detected as adware by 11 anti-malware scanners. This is a setup program which is used to install the application. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for third party applications, mostly adware toolbars, with legitimate softare. These offers are typically installed onto users' PCs by default, but may include an option to 'opt-out' during or after the installation process.
Publisher:
Somoto Israel  (signed and verified)

MD5:
47fecd10bac4fb88aaffe51540017175

SHA-1:
525a46886b2a272e1b43366541fbe03993c43cba

SHA-256:
83d1d60cb1508eae70c318f8eda6df7775a3aefcde3bb436d96aa313b758d50b

Scanner detections:
11 / 68

Status:
Adware

Analysis date:
12/3/2025 3:33:14 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Trojan/Win32.Agent
2014.02.06

Clam AntiVirus
Trojan.Agent-267630
0.98/18355

Dr.Web
Trojan.MulDrop4.11744
9.0.1.039

ESET NOD32
Win32/Somoto
8.9388

F-Prot
W32/Sefnit.C
v6.4.7.1.166

K7 AntiVirus
Trojan
13.175.11086

Malwarebytes
PUP.Optional.Somoto.A
v2014.02.08.10

nProtect
Adware/W32.Agent.237016
14.02.06.02

Panda Antivirus
Adware/MultiToolbar
14.02.08.10

Reason Heuristics
PUP.SomotoIsrael.DD
14.8.7.17

VIPRE Antivirus
Trojan.Win32.Generic
26192

File size:
231.5 KB (237,016 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\microsoft_downloader-chwytmnw.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:XJ380oTGMY0ZqxHoLKJeo0toKN3urPXfbfUEqgAPJ:XF80oTG7noLXo0ZwX6R

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 microsoft_downloader-chwytmnw.exe has been seen being distributed by the following URL.

http://www.downloadsource.fr/.../Microsoft_downloader-cHwytMNW.exe

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