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PostInstall.exe

PostInstall Application

InfoSpace

The application PostInstall.exe by InfoSpace has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
AVG Secure Search  (signed by InfoSpace)

Product:
PostInstall Application

Version:
17, 0, 0, 7

MD5:
cc01ebc08dca6451ad053eba16b11f6e

SHA-1:
50a6f4e691fd15e09719c320b647d8164581866b

SHA-256:
922b71129ee658a673395ec5dae857238f4ab12e3a391582eaae63579e06576a

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:
11/24/2024 12:42:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InfoSpace (M)
16.10.20.22

File size:
4.9 MB (5,115,720 bytes)

Product version:
17, 0, 0, 7

Copyright:
Copyright (C) 2012

Original file name:
PostInstall.exe

File type:
Executable application (Win32 EXE)

Language:
Hebrew (Israel)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\progfiles\avg nation toolbar\postinstall.exe

Digital Signature
Signed by:
InfoSpace

Authority:
VeriSign, Inc.

Valid from:
8/16/2013 8:00:00 AM

Valid to:
8/18/2014 7:59:59 AM

Subject:
CN=InfoSpace, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU=Systems, O=InfoSpace, L=Bellevue, S=Washington, 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:
4FA97FCF31526C9CF6D4D2149CA247DB

File PE Metadata
Compilation timestamp:
8/27/2013 7:48:06 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:c9AthOO8DLQyDVCvjtkSuyF/AzRjTinSNWfTsPdwxJQ:c9ATbypCvj64OjOnSN2Td+

Entry address:
0x554F7

Entry point:
E8, 62, AF, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, 9B, 04, 00, 00, 3B, 0D, 18, 92, 48, 00, 75, 02, F3, C3, E9, D9, AF, 00, 00, 8B, FF, 55, 8B, EC, 56, 8B, 75, 14, 57, 33, FF, 3B, F7, 75, 04, 33, C0, EB, 65, 39, 7D, 08, 75, 1B, E8, 49, 5E, 00, 00, 6A, 16, 5E, 89, 30, 57, 57, 57, 57, 57, E8, 29, 04, 00, 00, 83, C4, 14, 8B, C6, EB, 45, 39, 7D, 10, 74, 16, 39, 75, 0C, 72, 11, 56, FF, 75, 10, FF, 75, 08, E8, 8B, 66, 00, 00, 83, C4, 0C, EB, C1, FF, 75, 0C, 57, FF, 75, 08, E8, 4A, 77, 00, 00, 83...
 
[+]

Entropy:
1.1913

Code size:
456 KB (466,944 bytes)

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