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dtuser.exe

IAC Search and Media

This is a component of the Ask.com toolbar, a browser extension that will modify the default web browser's search provider, home page and various other settings. The application dtuser.exe by IAC Search and Media 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 installed within the Mozilla Firefox web browser as part of an addin/plugin.
Publisher:
IAC Search and Media  (signed and verified)

Description:
DtUser

Version:
1, 0, 0, 102

MD5:
634882dfa7bd853eb8a58c15f2e6631f

SHA-1:
5cf134259469db7c8c9bcc444824e3fd627e77b0

SHA-256:
659b0397e29e450f0acff699d10770d43e8164d398f466d6c660d4839a0a8dc2

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:
4/23/2024 11:08:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Ask.IACSearc (M)
16.5.31.20

File size:
1.6 MB (1,626,064 bytes)

Product version:
1, 0, 0, 102

Copyright:
© 2010-2013 IAC Search and Media

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\mozilla\firefox\profiles\{user}.default\extensions\{2977d8cc-8902-4340-be88-2c676bf96b8d}\dtuser.exe

Digital Signature
Signed by:
IAC Search and Media

Authority:
VeriSign, Inc.

Valid from:
9/11/2012 3:30:00 AM

Valid to:
10/21/2015 3:29:59 AM

Subject:
CN=IAC Search and Media, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=IAC Search and Media, L=Oakland, S=California, 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:
3444D7AA32B4D542D3C80027404D5CD6

File PE Metadata
Compilation timestamp:
11/16/2013 1:28:29 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:NWAsEa60NGXSF3ZK2OqTebzA7SQF/nIJTS4jTrwtZ:NWAsEL0eSFQZvVQZnIJTSYTrwn

Entry address:
0x1D47D

Entry point:
E8, 17, 86, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 5D, E9, 8B, 07, 00, 00, 8B, FF, 55, 8B, EC, FF, 75, 08, 51, E8, FF, 86, 00, 00, 59, 59, 5D, C2, 04, 00, 8B, FF, 51, C7, 01, C8, 97, 45, 00, E8, 7B, 86, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, F1, E8, E3, FF, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, B8, FF, FF, FF, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, FF, 75, 08, 51, E8, 52, 88, 00, 00, 59, 59, 5D, C2, 04, 00, 8B, FF, 51, E8, A1, 87, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 8B, 45, 08...
 
[+]

Entropy:
2.8377

Code size:
306.5 KB (313,856 bytes)

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