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multiplyroi_firefox.exe

Helios Systems LLC

The application multiplyroi_firefox.exe by Helios Systems 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.fastdownload5.com.
Publisher:
Helios Systems LLC  (signed and verified)

MD5:
df13533d1d3f23dd90b1cbb347b42e27

SHA-1:
7f613e7920fb1067de610eb64fc8d172e2978a23

SHA-256:
7a865622a458a5b3098720417b9348242280b2de7ce8b2f49eb82424889e3df0

Scanner detections:
1 / 68

Status:
Adware

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:
11/16/2024 5:52:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadAdmin (M)
16.7.29.20

File size:
823.5 KB (843,288 bytes)

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}\multiplyroi_firefox.exe

Digital Signature
Signed by:
Helios Systems LLC

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 8:00:00 AM

Valid to:
6/5/2016 7:59:59 AM

Subject:
CN=Helios Systems LLC, O=Helios Systems LLC, L=Wilmington, S=Delaware, 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:
70C15F05936729D95E660D0642F059AF

File PE Metadata
Compilation timestamp:
7/16/2014 12:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:8xpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8Sx:wp9sVuaVdvgVbmgGDijyikg5x

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4910

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://files4.fastdownload5.com/download/.../dl?bc=1122002&pid=youdownloaders&brand=youdownloaders.com&aid=6&s=bing&c=27530&country=US&cb=2092523504&filename=multiplyroi_firefox.exe&zTmp=1

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