expressfiles-setup.exe

Tucows Inc.

The application expressfiles-setup.exe by Tucows 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. The file has been seen being downloaded from files5.mirror1.info.
Publisher:
Tucows Inc.  (signed and verified)

MD5:
b914645c29cff059d3d607ddf8ecc503

SHA-1:
195723992fc9e18235eaefb0c0f064084ceb015a

SHA-256:
f19d6165385f8db8bf07d839e09a8884bfb142a38f5b8f03e3f82bcda0b17420

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:
4/19/2024 8:39:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tucows.Installer (M)
16.2.7.5

File size:
825.1 KB (844,928 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\expressfiles-setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
8/20/2013 9:00:00 PM

Valid to:
8/20/2016 8:59:59 PM

Subject:
CN=Tucows Inc., O=Tucows Inc., STREET=96 Mowat Ave., L=Toronto, S=Ontario, PostalCode=M6K 3M1, C=CA

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4A452F2DD2EEA6072814A28EF2F01AEE

File PE Metadata
Compilation timestamp:
7/15/2014 1:29:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:zxpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8SUK:Np9sVuaVdvgVbmgGDijyikg5v

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file expressfiles-setup.exe has been seen being distributed by the following URL.

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