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msvcp100_downloader-q2vdrxizw.exe

Site on Spot Limited

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 msvcp100_downloader-q2vdrxizw.exe by Site on Spot Limited 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 Somoto BetterInstaller installer. The file has been seen being downloaded from sub.rhionx.info.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
da8005677f3b9cfb3c1e903746367b02

SHA-1:
0cd0eecab0dba68e78917d0c8f0cb046edc58467

SHA-256:
62a1fbd4859e54c593e3ae3f5c472a0bc6b278301b85c58b4aeda44aaf6ed234

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:
12/26/2024 12:07:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSp.Bundler (M)
16.3.31.22

File size:
403.6 KB (413,304 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\msvcp100_downloader-q2vdrxizw.exe

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/27/2015 4:00:00 PM

Valid to:
7/9/2015 4:59:59 PM

Subject:
CN=Site on Spot Limited, O=Site on Spot Limited, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
477E336D7B42EDDDED42DABF6FAB572F

File PE Metadata
Compilation timestamp:
12/17/2010 1:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
12288:9A0i50GW6qNMy9gsRrxha0rTLy0zOXdNqp/37EiNxWRGJ5vl:9AfyGW6wMy9FRrSCiXHmrfsRS7

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:
7.8979  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file msvcp100_downloader-q2vdrxizw.exe has been seen being distributed by the following URL.

http://sub.rhionx.info/N63v5pRTrb49a79743cd32ca7eef24c2c3feee5ef0BWQumM5p6DYToyOntzOjI6InRzIjtpOjE0Mjg1MjM1OTc7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQyODUxOTc0MTM0My5leGUiO30=

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