installer_instagram_english.exe

ISfreemium

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application installer_instagram_english.exe by ISfreemium has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from za.fileprogram.net.
Publisher:
ISfreemium  (signed and verified)

MD5:
90d82a99b1a1afc3d3f040527af97907

SHA-1:
823ba4a8a28034c4df1375a10d436ace76d19446

SHA-256:
8c91bc6d8e9e49bc49321c87723e6759477da1d21890da8b28d27206284d424a

Scanner detections:
3 / 68

Status:
Adware

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:
12/26/2024 5:16:20 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Packed.28474
9.0.1.05190

ESET NOD32
Win32/Kryptik.BWJC trojan
8.0.319.0

Reason Heuristics
PUP.installCore.ISfreemi (M)
16.5.30.8

File size:
727 KB (744,448 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
7/3/2013 12:00:00 AM

Valid to:
7/3/2014 11:59:59 PM

Subject:
CN=ISfreemium, O=ISfreemium, STREET=63 Rothschild 63 BV, L=Tel-Aviv, S=N/A, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009B517CAF08AA1A85822DB0CE5E9169FE

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:CyMJfsGj/0nDVICvQBdUtY2YAJH1gU0zlTdkXc2Uesl7VPdB7bcCRwkKhCs+xcg:CyMJfsU/8QsfT+xhdk6HtB7AENcg

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

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

Remove installer_instagram_english.exe - Powered by Reason Core Security