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ExpressFiles.exe

ExpressFiles Application

http://www.express-files.com/

The application ExpressFiles.exe has been detected as a potentially unwanted program by 41 anti-malware scanners. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The file has been seen being downloaded from mail20b.webmail.libero.it.
Publisher:
http://www.express-files.com/

Product:
ExpressFiles Application

Version:
2, 0, 0, 38

MD5:
0094df60653a6183ac40b620c3d244e8

SHA-1:
a68f31fdfd6c56ee8ca490374fbf92b9cfa3a40f

SHA-256:
2d8f44b993e35664f43ede5d027829baaaeaa0cceee1b97bf9579ab8c18e0520

Scanner detections:
41 / 68

Status:
Potentially unwanted

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
12/27/2024 7:12:05 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Ramnit.N
872

Agnitum Outpost
Win32.Nimnul.Gen.2
7.1.1

AhnLab V3 Security
Win32/Ramnit.J
2014.06.17

Avira AntiVirus
W32/Ramnit.C
7.11.30.172

avast!
Win32:Expressfiles-C [PUP]
2014.9-140418

AVG
Win32/Zbot.G
2015.0.3350

Baidu Antivirus
Trojan.Win32.ExpressFiles
4.0.3.14418

Bitdefender
Win32.Ramnit.N
1.0.20.1290

Bkav FE
W32.Tmgrtext.PE
1.3.0.4959

Clam AntiVirus
W32.Ramnit-1
0.98/19086

Comodo Security
Virus.Win32.Ramnit.K
18573

Dr.Web
Win32.Rmnet.8
9.0.1.0258

Emsisoft Anti-Malware
Win32.Ramnit.N
8.14.09.15.12

ESET NOD32
Win32/ExpressFiles (variant)
8.9689

Fortinet FortiGate
W32/Ramnit.C
9/15/2014

F-Prot
W32/Ramnit.E
v6.4.6.5.141

F-Secure
Win32.Ramnit.N
11.2014-15-09_2

G Data
Win32.Ramnit
14.9.24

IKARUS anti.virus
Virus.Win32.Nimnul
t3scan.1.6.1.0

K7 AntiVirus
Virus
13.1712422

Kaspersky
Virus.Win32.Nimnul
14.0.0.3247

Malwarebytes
Virus.Ramnit
v2014.09.15.12

McAfee
W32/Ramnit.a
5600.7006

Microsoft Security Essentials
Threat.Undefined
1.175.2440.0

MicroWorld eScan
Win32.Ramnit.N
15.0.0.774

NANO AntiVirus
Virus.Win32.Nimnul.bmnup
0.28.0.60253

Norman
Ramnit.Q
11.20140915

nProtect
Virus/W32.SpyEye
14.06.16.01

Panda Antivirus
W32/Nimnul.A
14.09.15.12

Qihoo 360 Security
Virus.Win32.Ramnit.A
1.0.0.1015

Quick Heal
W32.Ramnit.BA
9.14.14.00

Reason Heuristics
PUP.httpwwwexpressfiles.M
14.4.18.4

Rising Antivirus
PE:Win32.Mgr.b!1594784
23.00.65.14913

Sophos
W32/Ramnit-A
4.98

Total Defense
Win32/Ramnit.C
37.0.11003

Trend Micro House Call
PE_RAMNIT.DEN
7.2.258

Trend Micro
PE_RAMNIT.DEN
10.465.15

Vba32 AntiVirus
Virus.Win32.Nimnul.b
3.12.26.0

VIPRE Antivirus
ExpressFiles Installer
28318

ViRobot
Win32.Nimnul.A
2011.4.7.4223

Zillya! Antivirus
Virus.Nimnul.Win32.2
2.0.0.1828

File size:
961 KB (984,064 bytes)

Product version:
2,0,0,0

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

Original file name:
ExpressFiles.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

File PE Metadata
Compilation timestamp:
4/15/2014 12:01:10 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:EeMBDBkoEK7UvaTxEedb5lxT9TxaDqTL6VbzsS2Ln2Nz2bF:EV1kIzTxEedb5lxxFaDqiVbzs0U

Entry address:
0x16881

Entry point:
E8, 70, 91, 00, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, 57, 56, 53, 33, FF, 8B, 44, 24, 14, 0B, C0, 7D, 14, 47, 8B, 54, 24, 10, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 14, 89, 54, 24, 10, 8B, 44, 24, 1C, 0B, C0, 7D, 14, 47, 8B, 54, 24, 18, F7, D8, F7, DA, 83, D8, 00, 89, 44, 24, 1C, 89, 54, 24, 18, 0B, C0, 75, 18, 8B, 4C, 24, 18, 8B, 44, 24, 14, 33, D2, F7, F1, 8B, D8, 8B, 44, 24, 10, F7, F1, 8B, D3, EB, 41, 8B, D8, 8B, 4C, 24, 18, 8B, 54, 24, 14, 8B, 44, 24, 10, D1, EB, D1, D9, D1, EA, D1, D8, 0B, DB...
 
[+]

Entropy:
7.2168

Code size:
160 KB (163,840 bytes)

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

http://mail20b.webmail.libero.it/cp/ps/Mail/.../ExpressFiles.exe

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

TCP (HTTP):
Connects to ec2-50-17-236-103.compute-1.amazonaws.com  (50.17.236.103:80)

TCP (HTTP):
Connects to server-54-192-203-62.fra50.r.cloudfront.net  (54.192.203.62:80)

TCP (HTTP):
Connects to ec2-54-235-184-192.compute-1.amazonaws.com  (54.235.184.192:80)

TCP (HTTP):
Connects to server-54-230-11-136.lhr3.r.cloudfront.net  (54.230.11.136:80)

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

TCP (HTTP):
Connects to vip0x016.map2.ssl.hwcdn.net  (209.197.3.22:80)

TCP (HTTP):
Connects to map2.hwcdn.net  (205.185.216.10:80)

TCP (HTTP):
Connects to 133.54.211.130.bc.googleusercontent.com  (130.211.54.133:80)

TCP (HTTP):
Connects to vip0x029.map2.ssl.hwcdn.net  (209.197.3.41:80)

TCP (HTTP):
Connects to server-54-230-11-193.lhr3.r.cloudfront.net  (54.230.11.193:80)

TCP (HTTP):
Connects to server-54-230-0-198.lhr5.r.cloudfront.net  (54.230.0.198:80)

TCP (HTTP):
Connects to server-54-192-203-168.fra50.r.cloudfront.net  (54.192.203.168:80)

TCP (HTTP):
Connects to 88.178.154.104.bc.googleusercontent.com  (104.154.178.88:80)

TCP (HTTP):
Connects to 199.195.196.180.static.midphase.com  (199.195.196.180:80)

TCP (HTTP):
Connects to server-54-230-11-97.lhr3.r.cloudfront.net  (54.230.11.97:80)

TCP (HTTP):
Connects to server-54-230-0-44.lhr5.r.cloudfront.net  (54.230.0.44:80)

TCP (HTTP):
Connects to server-54-192-3-160.lhr5.r.cloudfront.net  (54.192.3.160:80)

TCP (HTTP):
Connects to server-54-192-14-238.ams1.r.cloudfront.net  (54.192.14.238:80)

TCP (HTTP):
Connects to 198.87.155.104.bc.googleusercontent.com  (104.155.87.198:80)

TCP (HTTP):
Connects to server-54-230-5-118.dfw3.r.cloudfront.net  (54.230.5.118:80)

Remove ExpressFiles.exe - Powered by Reason Core Security
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