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luckyinstall.exe

yssoft

The application luckyinstall.exe by yssoft 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 down.luckytool.net.
Publisher:
luckytool  (signed by yssoft)

Product:
luckytool

Version:
1.0.0.1

MD5:
d1f30358850c958e1d432a7f230656e3

SHA-1:
fd2004b754cc59db7c8c5d38d4dae54ebf2a44f3

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/27/2024 12:34:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.yssoft.Installer (M)
16.2.15.2

File size:
1.3 MB (1,368,424 bytes)

Product version:
1.0.0.1

Copyright:
Copyright luckytool

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\luckyinstall.exe

Digital Signature
Signed by:
yssoft

Authority:
thawte, Inc.

Valid from:
1/19/2016 9:00:00 AM

Valid to:
4/18/2016 8:59:59 AM

Subject:
CN=yssoft, O=yssoft, L=Guro-gu, S=Seoul, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
05D7F2D305A278EEE71E58403E0621F3

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:0hAG1UjxnJ7mHzWvghpIHNXYpbWU/MHBpiuGhWex7EbJd5A85JG1UenHINfbJI5J:0hR1UjxJ6TWvWpOUblUQuqgbS8JG1UeX

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8235

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://down.luckytool.net/.../luckyinstall.exe

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