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downloader_for_wrar521.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_wrar521.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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.filefacts.com and multiple other hosts.
Publisher:
Internet   (signed by Total PC)

Product:
Installer Web Internet

Description:
Installer Web Internet Setup

MD5:
5f5209ba95b12e5226fc0b17460a15a5

SHA-1:
ee361418cfa5c3f93b2fc4113d29d51b2e8a087c

SHA-256:
119d2e87ca4fe1302ed5727602cdf21640fed0474f8298d7c561cd191133b807

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:
4/25/2024 4:11:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.TotalPC.Installer (M)
16.1.17.9

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_wrar521.exe

Digital Signature
Signed by:
Total PC

Authority:
COMODO CA Limited

Valid from:
3/17/2015 1:00:00 AM

Valid to:
3/17/2016 12:59:59 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 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:gRPG/kdG9X9SY4wpBPN7zvy9kzsvUrXC0m6RY2X9BX3vRuD6CBV9fwT2+pHTEj:gRPS9t5IsC0m+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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file downloader_for_wrar521.exe has been seen being distributed by the following 6 URLs.

http://www.filefacts.com/.../6135?sfadownload=1&psid=212471257

http://www.filefacts.com/.../6135?sfadownload=1&psid=203626341

http://www.filefacts.com/.../6135?sfadownload=1&psid=228405260

http://www.filefacts.com/.../6135?sfadownload=1&psid=218037896

http://www.filefacts.com/.../6135?sfadownload=1&psid=225309885

http://www.filefacts.com/.../6135?sfadownload=1&psid=218722231

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