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similarsitessetup2.exe

SimilarWeb Ltd.

The application similarsitessetup2.exe by SimilarWeb 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from utils.similargroup.com.
Publisher:
SimilarSites  (signed by SimilarWeb Ltd.)

Product:
SimilarSites

Version:
0.0.0.1

MD5:
6ab61801392c99f6456b1804d4dd07dc

SHA-1:
323457a2d99ce52d1831cdb2dfae2717e8a9fdaa

SHA-256:
e717f907478bffe77cf0ed391025c740abc6a6cea87457295f05ac02070a7b55

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:
4/25/2024 12:27:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.SimilarWeb.S
14.2.16.4

File size:
217.8 KB (223,040 bytes)

Product version:
0.0.0.1

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\similarsitessetup2.exe

Digital Signature
Signed by:
SimilarWeb Ltd.

Authority:
VeriSign, Inc.

Valid from:
4/4/2013 12:00:00 AM

Valid to:
5/4/2014 11:59:59 PM

Subject:
CN=SimilarWeb Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SimilarWeb Ltd., L=Tel Aviv, S=Illinois, C=IL

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:
20D71AF6EFC8A362653EAFE639021DB1

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):
3072:6Lk395hYXJ545v3b2Rnu30ciQdoy4bWOqhn3151iSdZSE72UrQs3RdSnjn6hFXyn:6QqPkLOcPr4ithnP1iSJqUrtDSnWI

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)

The file similarsitessetup2.exe has been seen being distributed by the following URL.

http://utils.similargroup.com/.../SimilarSitesSetup2.exe

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