install_quiz-tree_math_games-multiplication_11-55660470.exe

ProInstall Applications SRL

The application install_quiz-tree_math_games-multiplication_11-55660470.exe by ProInstall Applications SRL 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 an Internet Explorer cache folder. The file has been seen being downloaded from www.proinstall-download.com.
Publisher:
ProInstall Applications SRL  (signed and verified)

MD5:
dae67f650578d8d7164732fde6373cf1

SHA-1:
a360f491f62d2cb74f6e303847b563739e442cd6

SHA-256:
1b524cf0cbea8ac894d48d439c751a80f421086744b680756382bc10bb42e413

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:
5/21/2024 12:16:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ProInstall (M)
16.8.8.10

File size:
74 KB (75,752 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\install_quiz-tree_math_games-multiplication_11-55660470.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
12/29/2014 5:00:00 PM

Valid to:
12/30/2015 4:59:59 PM

Subject:
CN=ProInstall Applications SRL, OU=iops, O=ProInstall Applications SRL, STREET="Bd Decebal 25-29, Et 10", STREET=Spatiul 9.1 Camera A, L=Bucuresti, S=Sector 3, PostalCode=030964, C=RO

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

Serial number:
00FECC76E020238D75DD6868F2328F702F

File PE Metadata
Compilation timestamp:
2/24/2012 12:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:kVdePelp2Xy+tuQOzOYE5aXPn8CwF8eX4pNy2NLpBWTaFeiF:XweqOYEUXPn8CaX4djBdFT

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.0339

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file install_quiz-tree_math_games-multiplication_11-55660470.exe has been seen being distributed by the following URL.