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a2setup.exe

IAC

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 a2setup.exe by IAC 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:
IAC  (signed and verified)

MD5:
d0e92aaf37ca7172c9a7ef81036e6158

SHA-1:
c06f83fa70e906f1fc32e1880e6b5e397ed4cef3

SHA-256:
e72b44cec50a7eed370b209f14c227e4aa1bc0a41698269d4de219a582af1ef0

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:
12/23/2024 11:44:42 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Ask.IAC.Installer (M)
16.1.5.15

File size:
389.3 KB (398,664 bytes)

File type:
Executable application (Win32 EXE)

Installer:
APN Stub

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\a2setup.exe

Digital Signature
Signed by:
IAC

Authority:
VeriSign, Inc.

Valid from:
6/7/2007 6:00:00 PM

Valid to:
6/7/2008 5:59:59 PM

Subject:
CN=IAC, OU=Search and Media, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=IAC, L=White Plains, S=New York, 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:
406C957308063D0297253DA4BE0427DF

File PE Metadata
Compilation timestamp:
6/28/2007 4:36:25 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:J7chGI0xLp7Kkj7qV8n8UZvlE0Ib1vS4a7OQ4OJk370b50CW:JghGIW5KaqVI9lEdb1aVRJO9CW

Entry address:
0x1963

Entry point:
55, 8B, EC, 83, EC, 44, 53, 56, 6A, 00, FF, 15, 70, 30, 40, 00, A3, B4, 41, 40, 00, FF, 15, 7C, 30, 40, 00, 8B, 1D, 78, 30, 40, 00, 8B, F0, 85, F6, 75, 04, 6A, FF, FF, D3, 8A, 06, 57, 8B, 3D, E8, 30, 40, 00, 3C, 22, 75, 1B, 56, FF, D7, 8B, F0, 8A, 06, 3C, 22, 74, 04, 84, C0, 75, F1, 80, 3E, 22, 75, 15, 56, FF, D7, 8B, F0, EB, 0E, 3C, 20, 7E, 0A, 56, FF, D7, 8B, F0, 80, 3E, 20, 7F, F6, 8A, 06, 84, C0, 74, 04, 3C, 20, 7E, E1, 83, 65, E8, 00, 8D, 45, BC, 50, FF, 15, DC, 30, 40, 00, E8, 2D, 00, 00, 00, F6, 45...
 
[+]

Entropy:
5.7133

Developed / compiled with:
Microsoft Visual C++

Code size:
8 KB (8,192 bytes)

Remove a2setup.exe - Powered by Reason Core Security
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