service.exe

InfoSpace Sales LLC

The application service.exe by InfoSpace Sales 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. It is set to automatically execute when any user logs into Windows (through the local user run registry setting) with the name ‘pcreg’.
Publisher:
InfoSpace Sales LLC  (signed and verified)

MD5:
3c5fbd668b1d6520c27f0c218693e860

SHA-1:
c2ea374d1615748d424d5ecbd445994a3201adce

SHA-256:
2a7450734eb7985e146719ef386c45424d216a8bbb71db74aaade6a46021c00c

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:
4/25/2024 4:26:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InfoSpace.InfoSpaceSales.Installer (M)
16.2.8.2

File size:
338.6 KB (346,720 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\wrapper_inst\service.exe

Digital Signature
Authority:
Symantec Corporation

Valid from:
5/6/2013 7:00:00 PM

Valid to:
5/7/2014 6:59:59 PM

Subject:
CN=InfoSpace Sales LLC, OU=Systems, O=InfoSpace Sales LLC, L=Bellevue, S=Washington, C=US, SERIALNUMBER=3305495, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.2=Delaware, OID.1.3.6.1.4.1.311.60.2.1.3=US

Issuer:
CN=Symantec Class 3 Extended Validation Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5FFD216358B0FFE8AF4A6CECCA806958

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:9FJ0/onZ1KIqfF5edUJb1tg5pIWnALVO6S3xEgfyaomfMCp3TPOUEX:woZ1KIKp9Jg60Lf7omfj4Ua

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9519

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
pcreg

Command:
C:\Program Files\wrapper_inst\service.exe


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