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EFupdater.exe

Express Files Updater

Faglaro Enterprises Limited

The application EFupdater.exe by Faglaro Enterprises Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. While running, it connects to the Internet address mail.smile-files.com on port 80 using the HTTP protocol.
Publisher:
http://www.express-files.com/  (signed by Faglaro Enterprises Limited)

Product:
Express Files Updater

Version:
1,0,0,0

MD5:
6c7c56215a65e92ec4845255091a4bb9

SHA-1:
bdc01d76b8226a86e97a4ce94032d2fc593389fc

SHA-256:
79ce6b39bb1dcfdba0e9ccdf858f81c609cd0b7b2d3f69ab2b927de8ae4e87bf

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:
4/24/2024 3:31:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Blisbury.Task
17.2.24.12

File size:
263.1 KB (269,375 bytes)

Product version:
1,0,0,0

Copyright:
Copyright http://www.express-files.com/ (C) 2012

Original file name:
EFupdater.exe

File type:
Executable application (Win32 EXE)

Language:
Russian (Russia)

Common path:
C:\Program Files\expressfiles\efupdater.exe

Digital Signature
Signed by:
Faglaro Enterprises Limited

Authority:
COMODO CA Limited

Valid from:
12/16/2011 5:00:00 AM

Valid to:
12/16/2012 4:59:59 AM

Subject:
CN=Faglaro Enterprises Limited, O=Faglaro Enterprises Limited, STREET="Konstantinoupoleos, 22", L=Nicosia, S=Aglantzia/Cyprus, PostalCode=2107, C=CY

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

Serial number:
00DD2A4BBB66262A8FB4E084560573E908

File PE Metadata
Compilation timestamp:
3/26/2012 2:59:40 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x40CF0

Entry point:
E9, ED, EB, FF, FF, 00, 8D, BE, 00, 30, FD, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB...
 
[+]

Entropy:
6.2522

Packer / compiler:
tElock 0.99 - 1.0 private

Code size:
76 KB (77,824 bytes)

Scheduled Task
Task name:
Express Files Updater

Trigger:
Logon (Runs on logon)


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to mail.smile-files.com  (46.23.68.149:80)

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