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loffinamuninstall.exe

loffinam

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application loffinamuninstall.exe by loffinam has been detected as adware 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. This is the uninstaller utility registered in the Windows Control Panel for the program loffinam by loffinam.
Publisher:
loffinam  (signed and verified)

MD5:
00a91ab53feaf5da6db518fde9772cd9

SHA-1:
181664b3fce64e601105a12b1a15a732029766ae

SHA-256:
b10d515ffd45838a595d26e3495b6206083a291a0bd83d67e0b3358d3156e1d3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (loffinam) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
12/24/2024 12:18:02 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.14.21

File size:
253 KB (259,064 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\loffinam\loffinamuninstall.exe

Digital Signature
Signed by:
loffinam

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 7:00:00 AM

Valid to:
11/15/2014 6:59:59 AM

Subject:
CN=loffinam, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=loffinam, L=Santa Monica, 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:
22B7A9A338918FF4849948EF0C908FAA

File PE Metadata
Compilation timestamp:
12/6/2009 5:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30CB

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, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8698

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
loffinam

Display publisher:
loffinam

Display version:
2014.09.10.052630

Uninstall string:
C:\Program Files (x86)\loffinam\loffinamuninstall.exe


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