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icreinstall_adobe_flash_setup.exe

OOO TehSnab

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_adobe_flash_setup.exe by OOO TehSnab 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 the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
OOO TehSnab  (signed and verified)

MD5:
e99d4d50b538d8d002eb852405066e67

SHA-1:
7bf92d18ec3dfa4124f3cde78bc7c9482549ab57

SHA-256:
458053d19c79508140e2c0e18195292f747cbeb21b9fe6538f5349a4d0cb6ac0

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 is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 1:18:47 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.212.246

AVG
Generic
2016.0.3158

Comodo Security
Application.Win32.InstallCore.KD
21243

Dr.Web
Trojan.InstallCore.38
9.0.1.086

ESET NOD32
Win32/InstallCore.VV potentially unwanted (variant)
9.11248

herdProtect (fuzzy)
variant of adobe_flash_setup.exe (Adware)
2015.7.2.1

K7 AntiVirus
Trojan
13.1915118

NANO AntiVirus
Riskware.Win32.InstallCore.dmkfrp
0.30.0.296

Reason Heuristics
PUP.Bundler.installCore
15.3.27.7

VIPRE Antivirus
Threat.4150696
37588

File size:
793.4 KB (812,472 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_adobe_flash_setup.exe

Digital Signature
Signed by:
OOO TehSnab

Authority:
Thawte, Inc.

Valid from:
10/8/2014 3:00:00 AM

Valid to:
10/9/2015 2:59:59 AM

Subject:
CN=OOO TehSnab, O=OOO TehSnab, L=Moscow, S=Moscow, C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
1B3AE09C419260E223EA4701F7A75ECE

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:/YKDvWAMtDjlAoPrqvq6KLunlG7FYTufP:/pkjtmbKLunlG7FLn

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, 53, C9, FF, FF, E8, 9A, 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:
7.8542

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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