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new_english_file_upper-intermediate_-_workbook_key.exe

Terra Firma Internet Consulting LTD

The application new_english_file_upper-intermediate_-_workbook_key.exe by Terra Firma Internet Consulting 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 www.ftdownloader.net.
Publisher:
Terra Firma Internet Consulting LTD  (signed and verified)

MD5:
a3b619f83af9e6fd35d353f4060d7c0f

SHA-1:
c7d1e783c43601c81fb16d16d1a10eb489fb3a77

SHA-256:
f6bc1232576f63fb783d61a81866021de32806fb56096b77d9a380546be345a1

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:
11/15/2024 1:45:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TerraFir.Installer (M)
16.5.18.15

File size:
241.8 KB (247,624 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\new_english_file_upper-intermediate_-_workbook_key.exe

Digital Signature
Signed by:
Terra Firma Internet Consulting LTD

Authority:
Thawte, Inc.

Valid from:
5/21/2012 2:00:00 AM

Valid to:
5/15/2013 1:59:59 AM

Subject:
CN=Terra Firma Internet Consulting LTD, O=Terra Firma Internet Consulting LTD, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
0A1E86793244EC30F46537E0AE0F0FB3

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:iQIURTXJm0pa5q99y+5NL6niCkfuKZUEf7Yis8/BC5e7XmNkJfElHWjS1klOhWnN:isc0k5sy+5NLr3pPXmNkly2jR9F/

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file new_english_file_upper-intermediate_-_workbook_key.exe has been seen being distributed by the following URL.

http://www.ftdownloader.net/download/product_download.php?file=http://www.scribd.com/doc/.../New-English-File-Upper-Intermediate-Workbook-Key&name=New English File Upper-Intermediate - Workbook Key&pub=ftdown3&sp=1

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