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intst_install.exe

OOO

The application intst_install.exe by 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
OOO   (signed and verified)

MD5:
71ea2265ea1460e91643ffd0e0d84a7c

SHA-1:
f0654dbfb91182bc75475f9faebb8a62b0c299fc

SHA-256:
c7ad7cd53a50daa5f3158f03043a9f4df815abf5a03866b7e5f5ebbf9fa74422

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.

Analysis date:
11/25/2024 12:46:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer
17.2.24.6

File size:
1.3 MB (1,409,872 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\intst_install.exe

Digital Signature
Signed by:
OOO

Authority:
COMODO CA Limited

Valid from:
7/6/2016 8:00:00 PM

Valid to:
7/7/2017 7:59:59 PM

Subject:
CN="OOO ""FENIKS""", O="OOO ""FENIKS""", STREET="d. 2/1 str. 1 of. 1, nab.Semenovskaya", L=Moscow, S=Moskovskaya oblast, PostalCode=117393, C=RU

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

Serial number:
00A07968238CD1FD586B0DC46568CAC37D

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:58 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x325E

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, EC, 42, 00, E8, 09, 2C, 00, 00, A3, A4, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, C0, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, E3, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9949

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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