adobe_flash_setup.exe

Web

OOO Digital Servis

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 OOO Digital Servis 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 OOO Digital Servis)

Product:
Web

Description:
Web Setup

Version:
2.3.2.3

MD5:
e261fd8c0e4e0e114002ec7479f301e2

SHA-1:
d3b21e14087c0a1a65212d13ad452c5c8eec49d4

SHA-256:
e2f6acca0a64fc09039646a48a5de8b46bcefdba77730609c30241f0664e8656

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 '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:
6/27/2022 6:12:01 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.15.21

File size:
804.6 KB (823,920 bytes)

Product version:
1.3

Copyright:
Installer

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
Authority:
COMODO CA Limited

Valid from:
4/7/2015 8:00:00 PM

Valid to:
4/7/2016 7:59:59 PM

Subject:
CN=OOO Digital Servis, O=OOO Digital Servis, STREET="Milashenkova, d. 10 of. 96", L=Moscow, S=Moscow, PostalCode=127322, C=RU

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

Serial number:
00DBBB3832170BFEA6F12A5185EA35051C

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:cbn5Gm17GszimlmUpG7NwZjI+ML04gJY+z2l4//Q7Ccv47D9+4gHrWLD:cbn5LxGqRRIdYlD/yCI0DUtriD

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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