adobe_flash_setup.exe

OOO TehSnab

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_setup.exe by OOO TehSnab has been detected as adware by 6 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. The file has been seen being downloaded from security-update.net.
Publisher:
OOO TehSnab  (signed and verified)

MD5:
3f7d7e36a53529ab6e9aa6b0bd5e8640

SHA-1:
511856d5d999531dea0cc5135be72a1f659d5acf

SHA-256:
620ec2c45a9701c3615b84e09e5eb523aa6423671d8499893d0da958d3092f0b

Scanner detections:
6 / 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 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:
1/12/2025 10:44:47 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.184.16

AVG
Generic11_c
2015.0.3294

ESET NOD32
Win32/InstallCore.QF (variant)
8.10703

Malwarebytes
PUP.Optional.TehSnab
v2014.11.10.09

Reason Heuristics
PUP.Bundler.installCore
15.3.18.1

Total Defense
Win32/Tnega.JbTPVR
37.0.11273

File size:
877.5 KB (898,600 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\adobe_flash_setup.exe

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
10/7/2014 5:00:00 PM

Valid to:
10/8/2015 4:59:59 PM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:5FYEG6p1agGmDmkhB92B3gdiSUy4lvy2iPYHA2:5SJe1EmDmkh2VoiSUv1XHR

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:
7.7125

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

Code size:
37 KB (37,888 bytes)

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

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