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apnstub.exe

AskStub Application

Ask.com

This installer is part of the Ask.com (APN) network which will install the Ask.com branded toolbar or browser extension which will take control of the web browser's search functions. The application apnstub.exe by Ask.com 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 APN Stub installer. It is also typically executed from the user's temporary directory.
Publisher:
Ask.com  (signed and verified)

Product:
AskStub Application

Version:
1.0.0.0

MD5:
c39219bf70d41cebbf367e78df11f35f

SHA-1:
016a9ba55daa969c0384a9bc3cc32b8ec70965b5

SHA-256:
c604c1361f1278595dbe812b128717fd6d87fdf074697717c2b75c16d45277bd

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:
12/24/2024 12:23:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Ask (M)
17.3.11.21

File size:
182.3 KB (186,703 bytes)

Product version:
1.0.0.0

Copyright:
Copyright (C) Ask 2010

Original file name:
AskStub.exe

File type:
Executable application (Win32 EXE)

Installer:
APN Stub

Language:
English (United States)

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

Digital Signature
Signed by:
Ask.com

Authority:
VeriSign, Inc.

Valid from:
6/17/2008 6:00:00 AM

Valid to:
6/18/2011 5:59:59 AM

Subject:
CN=Ask.com, OU=Distribution, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ask.com, L=Oakland, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
286F8A30E2EAC6965B936F826A05305D

File PE Metadata
Compilation timestamp:
12/11/2010 1:14:08 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x2906

Entry point:
E9, 6F, 7F, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, C8, 30, 41, 00, 89, 0D, C4, 30, 41, 00, 89, 15, C0, 30, 41, 00, 89, 1D, BC, 30, 41, 00, 89, 35, B8, 30, 41, 00, 89, 3D, B4, 30, 41, 00, 66, 8C, 15, E0, 30, 41, 00, 66, 8C, 0D, D4, 30, 41, 00, 66, 8C, 1D, B0, 30, 41, 00, 66, 8C, 05, AC, 30, 41, 00, 66, 8C, 25, A8, 30, 41, 00, 66, 8C, 2D, A4, 30, 41, 00, 9C, 8F, 05, D8, 30, 41, 00, 8B, 45, 00, A3, CC, 30, 41, 00, 8B, 45, 04, A3, D0, 30, 41, 00, 8D, 45, 08, A3, DC, 30, 41...
 
[+]

Entropy:
7.2375

Packer / compiler:
Xtreme-Protector v1.05

Code size:
50 KB (51,200 bytes)

Remove apnstub.exe - Powered by Reason Core Security
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