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rolimno_vt.exe

Rolimno

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application rolimno_vt.exe by Rolimno has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. It is also typically executed from the user's temporary directory.
Publisher:
Rolimno  (signed and verified)

MD5:
e7bf07b24c54d681104924c9e42e66a3

SHA-1:
a7f7cd089a27123e6f68e157a16090abefe5c3fe

SHA-256:
a8ec2d35768a3bd5c2d6a9de073c07c45f2c2a86f286da8bf4771932da20e773

Scanner detections:
9 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
2/25/2025 7:13:56 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clod2b3.Trojan
1.3.0.4613

Dr.Web
Adware.Plugin.100
9.0.1.0357

ESET NOD32
Win32/BrowseFox
7.9282

herdProtect (fuzzy)
variant of saltarsmart.exe (Adware)
2014.1.2.10

Malwarebytes
PUP.Optional.Rolimno.A
v2013.12.23.03

Reason Heuristics
PUP.Rolimno.K
14.8.8.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.131221

SUPERAntiSpyware
Trojan.Agent/Gen-BHO
10890

Trend Micro House Call
TROJ_GEN.F47V0819
7.2.357

File size:
171.2 KB (175,352 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Rolimno

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 1:00:00 AM

Valid to:
8/14/2015 12:59:59 AM

Subject:
CN=Rolimno, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Rolimno, L=San Diego, 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:
0D2645238961D2084208FC4B5B89E7FD

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:aLk395hYXJsCi0tnEVSVbJm9anH7l1m/GqMHJGULvk:aQqDiQEANwYnH7nm/G/HcZ

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, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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