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pivot_setup.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application pivot_setup.exe by STMSetup has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from securecloudfiledownload1401806471.s3-eu-west-1.amazonaws.com.
Publisher:
STMSetup  (signed and verified)

MD5:
3e243eca27534e1f10ad59673f9272fb

SHA-1:
6eb67233332178b5d0c328db308954a6931f0c30

SHA-256:
8d891c3ec2c18384bad46402ada2d69b2e6badbfd70b4ff06e184706ec30b8a9

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/23/2024 5:51:27 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.AI
7.11.164.128

AVG
Generic
2015.0.3398

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0210

ESET NOD32
Win32/InstallCore.ON (variant)
8.10173

herdProtect (fuzzy)
variant of google-earth_setup.exe (Adware)
2014.9.10.3

K7 AntiVirus
Unwanted-Program
13.181.12872

McAfee
CryptInno
5600.7054

Reason Heuristics
PUP.Installer.STMSetup.L
14.7.29.18

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

File size:
661.3 KB (677,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\pivot_setup.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 1:00:00 AM

Valid to:
4/29/2015 12:59:59 AM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:vvvFauP6Onz3Wqw9ktQqyExRoq+1/G2ysqfYIVcn33eGs8hIM:vvvFbP0TNq9RoR/Gjs/IVK+zyI

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8666

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file pivot_setup.exe has been seen being distributed by the following URL.

http://securecloudfiledownload1401806471.s3-eu-west-1.amazonaws.com/softwares/core/590685/.../pivot_setup.exe

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