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downloader_for_winrar-x64-521.exe

Installer Web Internet

Total PC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application downloader_for_winrar-x64-521.exe, “Installer Web Internet Setup ” by Total PC 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. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Internet   (signed by Total PC)

Product:
Installer Web Internet

Description:
Installer Web Internet Setup

MD5:
7bb4d0dbcc7a6a4fda6cbaeb35552df3

SHA-1:
c4c26338f9131e0638e1daeb648b6805840399b1

SHA-256:
0adb84f042c81d604c4aa5129c1a22547928316aa406bc64f3f9dab5987e68f9

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:
5/5/2024 2:30:17 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.TotalPC.Installer (M)
15.12.23.2

File size:
895.6 KB (917,144 bytes)

Product version:
1.1.2

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\downloader_for_winrar-x64-521.exe

Digital Signature
Signed by:
Total PC

Authority:
COMODO CA Limited

Valid from:
3/17/2015 9:00:00 AM

Valid to:
3/17/2016 8:59:59 AM

Subject:
CN=Total PC, O=Total PC, STREET=Unit A6 Dundonald Enterprise Park, STREET=Carrowreagh Road, STREET=Dundonald, L=Belfast, S=Antrim, PostalCode=BT161QT, C=GB

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

Serial number:
00B2DF3698915A5B9CA523FD5D2457DB45

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:hRPG/kdG9X9SY4wpBPN7zvy9kzsvUrXC0m6RY2X9BX3vRuD6CBV9fwT2+pHTEj:hRPS9t5IsC0m+BXfc2Cj98NT6

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:
7.9150

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

Code size:
39.5 KB (40,448 bytes)

The file downloader_for_winrar-x64-521.exe has been seen being distributed by the following 11 URLs.

http://www.filefacts.com/.../6136?sfadownload=1&psid=212174151

http://www.filefacts.com/.../6136?sfadownload=1&psid=206501086

http://www.filefacts.com/.../6136?sfadownload=1&psid=227401719

http://www.filefacts.com/.../6136?sfadownload=1&psid=222389897

http://www.filefacts.com/.../6136?sfadownload=1&psid=217973053

http://www.filefacts.com/.../6136?sfadownload=1&psid=199994934

http://www.filefacts.com/.../6136?sfadownload=1&psid=229264763

http://www.filefacts.com/.../6136?sfadownload=1&psid=202479226

http://www.filefacts.com/.../6136?sfadownload=1&psid=204120960

http://www.filefacts.com/.../6136?sfadownload=1&psid=222493684

http://www.filefacts.com/.../6136?sfadownload=1&psid=201891764

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