» vntsrv.dll
Overview
Analysis
File Details

vntsrv.dll

Virtual New Tab

APN LLC.

This installer is part of the Ask.com (APN) network which will install the Ask.com branded toolbar or browser extension which will take control of the web browser's search functions. The module vntsrv.dll, “Virtual New Tab Server” has been detected as adware by 41 anti-malware scanners. The program is a setup application that uses the APN Stub installer, however the file is not signed with an authenticode signature from a trusted source. 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.

File name:

vntsrv.dll

Publisher:

APN LLC.

Product:

Virtual New Tab

Description:

Virtual New Tab Server

Version:

10.0.0.1064

MD5:

4f857c2abe37eb72b146bd24334bd27a

SHA-1:

f57b084f6d3435ca99d8541e4afe24baadfa1df9

SHA-256:

8c15d1329a9090112efbe56c00adc7ff0b36c640a3d8681e74e6c3da14d8fc3b

Scanner detections:

41 / 68

Status:

Adware

Explanation:

The file is infected by a polymorphic file infector virus.

Analysis date:

4/26/2024 10:34:20 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Win32.Ramnit.N

6439068

Agnitum Outpost

Win32.Nimnul.Gen.2

7.1.1

AhnLab V3 Security

Win32/Ramnit.F

2015.01.26

Avira AntiVirus

W32/Ramnit.C

7.11.205.14

avast!

Win32:RmnDrp

150102-1

AVG

Win32/Zbot.G

2014.0.4253

Baidu Antivirus

Virus.Win32.Nimnul.$a

4.0.3.15125

Bitdefender

Win32.Ramnit.N

1.0.20.125

Bkav FE

W32.Tmgrtext.PE

1.3.0.6379

Clam AntiVirus

W32.Ramnit-1

0.98/19976

Comodo Security

Virus.Win32.Ramnit.K

20841

Dr.Web

Win32.Siggen.7

9.0.1.05190

Emsisoft Anti-Malware

Win32.Ramnit.N

9.0.0.4799

ESET NOD32

Win32/Ramnit.H virus

7.0.302.0

Fortinet FortiGate

W32/Ramnit.C

1/25/2015

F-Prot

W32/Ramnit.D

4.6.5.141

F-Secure

Win32.Ramnit.N

5.13.68

G Data

Win32.Ramnit

15.1.24

IKARUS anti.virus

Virus.Win32.Ramnit

t3scan.1.8.6.0

K7 AntiVirus

Virus

13.192.14746

Kaspersky

Virus.Win32.Nimnul

15.0.0.543

Malwarebytes

Virus.Ramnit

v2015.01.25.02

McAfee

W32/Ramnit.a

5600.6874

Microsoft Security Essentials

Threat.Undefined

1.191.3234.0

MicroWorld eScan

Win32.Ramnit.N

16.0.0.75

NANO AntiVirus

Virus.Win32.Nimnul.bmnup

0.30.0.64812

Norman

Win32.Ramnit.N

03.12.2014 13:20:04

nProtect

Win32.Ramnit.N

15.01.23.01

Panda Antivirus

W32/Cosmu.C

15.01.25.02

Qihoo 360 Security

Virus.Win32.Ramnit.A

1.0.0.1015

Quick Heal

W32.Ramnit.A

1.15.14.00

Reason Heuristics

PUP.APN

15.1.25.13

Rising Antivirus

PE:Win32.Ramnit.i!1075353400

23.00.65.15123

Sophos

Virus 'W32/Ramnit-A'

5.09

Total Defense

Win32/Ramnit.C

37.0.11403

Trend Micro House Call

PE_RAMNIT.DEN

7.2.25

Trend Micro

PE_RAMNIT.DEN

10.465.25

Vba32 AntiVirus

Virus.Win32.Nimnul.b

3.12.26.3

VIPRE Antivirus

Threat.4732184

36666

ViRobot

Win32.Nimnul.A[h]

2014.3.20.0

Zillya! Antivirus

Virus.Nimnul.Win32.2

2.0.0.2045

File size:

155.5 KB (159,228 bytes)

Product version:

10.0.0.1064

Original file name:

vntsrv.dll

File type:

Dynamic link library (Win32 DLL)

Installer:

APN Stub

Language:

English (United States)

Common path:

C:\Program Files\askpartnernetwork\toolbar\ff3-sp\source\Program Files\vnt\vntsrv.dll

File PE Metadata

Compilation timestamp:

8/19/2014 5:19:42 AM

OS version:

5.1

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

10.0

CTPH (ssdeep):

3072:pn1NUhYBrNJwjdZsEOGfxNXh6H3WjRbCbkqHaqJ8l:pIhY1NyjdSADAXulCwq6qKl

Entry address:

0x1C000

Entry point:

60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, 1E, A5, 01, 20, 2B, 85, 85, AC, 01, 20, 89, 85, 81, AC, 01, 20, B0, 00, 86, 85, B6, AE, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, B1, AD, 01, 20, 00, 74, 33, 83, BD, B5, AD, 01, 20, 00, 74, 2A, 8B, 85, 81, AC, 01, 20, 2B, 85, B1, AD, 01, 20, 8B, 00, 89, 85, EE, AD, 01, 20, 8B, 85, 81, AC, 01, 20, 2B, 85, B5, AD, 01, 20, 8B, 00, 89, 85, F2, AD, 01, 20, EB, 61, 83, BD, B9, AD, 01, 20, 00, 74, 58, 8B, 85, 81, AC, 01, 20, 2B, 85, B9, AD, 01, 20, FF, 30, 8D, 85... 
[+]

Packer / compiler:

ASPack v1.08.04

Code size:

62 KB (63,488 bytes)

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