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setup.exe

Gamma Handle

The application setup.exe by Gamma Handle has been detected as a potentially unwanted program 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. The file has been seen being downloaded from cdn.oursearchwindow.com.
Publisher:
Gamma Handle  (signed and verified)

Version:
2.0.5921.5883

MD5:
655c79d532e62c3bb8713ee746901eda

SHA-1:
2eb870b299b6a2b27f59b202b135a57e82350f7e

SHA-256:
9ba46dbfb965549c907b2e3c50bafbc510f9e374921a344ec660994688174752

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/24/2024 1:22:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.GammaHan.Installer (M)
16.3.18.12

File size:
291.2 KB (298,200 bytes)

Product version:
2016.03.18

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\lc4lo4jft8\setup.exe

Digital Signature
Signed by:
Gamma Handle

Authority:
VeriSign, Inc.

Valid from:
1/28/2016 1:00:00 PM

Valid to:
1/28/2017 12:59:59 PM

Subject:
CN=Gamma Handle, O=Gamma Handle, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
64D0D6A903C73C8ED26A8FD5C39AA73E

File PE Metadata
Compilation timestamp:
6/4/2014 12:58:35 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:74LjpvMpXxeC8xfbd+DSHthZbrGruxWAFCf6J/P:8vpvAXxevxttnbrGrLWCyP

Entry address:
0x334C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, A8, 73, 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, B8, 6C, 44, 00, E8, 1B, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 6B, 44, 00, 8D, 44, 24, 38, 50, 53, 68, 3B, 74, 40, 00, FF, 15, 58, 71, 40, 00, 68, 30, 74, 40, 00, 68, C0, 2B, 44, 00, E8, 0D, 24, 00, 00, FF, 15, B0, 70, 40, 00, 50, BF, 00, F0, 46, 00, 57, E8, FB, 23, 00, 00...
 
[+]

Entropy:
7.9380

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://cdn.oursearchwindow.com/.../si

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