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lstspsp.exe

Windows Explorer Lastpopup

JE communication

The application lstspsp.exe by JE communication 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.
Publisher:
JE communication  (signed and verified)

Product:
Windows Explorer Lastpopup

Version:
1.0.0.1

MD5:
b875e2b462823e08cd6e60acff5913f9

SHA-1:
fba06b921c3a2e7e32497b021c9ade07a424204e

SHA-256:
77222bce0a69654a08a4d378926971cdef39e4fa7764d58d360b1165186c6810

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:
4/18/2024 12:02:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.JEcommunication.Installer (M)
16.2.23.3

File size:
128.8 KB (131,840 bytes)

Product version:
1.0.0.1

Original file name:
lstspsp.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\lastpopup\lstspsp.exe

Digital Signature
Signed by:
JE communication

Authority:
Thawte, Inc.

Valid from:
10/29/2012 9:00:00 AM

Valid to:
11/29/2013 8:59:59 AM

Subject:
CN=JE communication, OU=IT Team, O=JE communication, L=Gangnam-gu, S=SEOUL, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
79BFEDDF41C2E1BD5C1C61870556A607

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):
3072:WgXdZt9P6D3XJlyw23XLvvmOoS/oOC7NMNUQupMhklgmD7IOvQfq2fhOH:We34b3S/TwNMN8pMhqgE0OyhK

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:
7.3133

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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