adobe_flash_setup.exe

Web

Advert-Servis, OOO

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, “Web Setup ” by Advert-Servis, OOO 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 installCore installer. The file has been seen being downloaded from upgrade12check.freecheckupdates.net.
Publisher:
Internet Prog   (signed by Advert-Servis, OOO)

Product:
Web

Description:
Web Setup

Version:
2.3.2.3

MD5:
f1b1e27f63173c803ee7ff0eaa89dfe9

SHA-1:
df75b886e74077981fa59c3df24f43bbfd9469f6

SHA-256:
626407f9f04d5794db2a8955bf8144968607035b3300eb583125aad07f82e604

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:
6/27/2022 4:56:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.15.4

File size:
804.6 KB (823,944 bytes)

Product version:
1.3

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
3/16/2015 3:00:00 AM

Valid to:
3/16/2016 2:59:59 AM

Subject:
CN="Advert-Servis, OOO", O="Advert-Servis, OOO", STREET="2/11, str.2, ul.4-Ya Tverskaya-Yamskaya", L=Moscow, S=Moscow, PostalCode=125047, C=RU

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

Serial number:
00A30BC4BD9A7F4BFCE7E7551144A00BF6

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):
12288:bbn5Gm17GszimlmUpG7NwZjI+ML04gJY+z2l4//Q7Ccv47D9+4gHrWLN:bbn5LxGqRRIdYlD/yCI0DUtriN

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8124

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

Code size:
39.5 KB (40,448 bytes)

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

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