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sk.enhancer.exe

The application sk.enhancer.exe has been detected as a potentially unwanted program by 25 anti-malware scanners. This is a setup program which is used to install the application. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. This file is typically installed with the program SK.Enhancer by WebPick Internet Holdings Ltd. which is a potentially unwanted software program. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from i1.stylefun.info and multiple other hosts.
MD5:
83528348154f9f3f3c332191b0849b25

SHA-1:
4a66d225a931f85de8b2d883473bcad3da97b222

SHA-256:
e0830af048f181422be5ebb0eaec70da5b2d695614bd8cf29515c3d929d60436

Scanner detections:
25 / 68

Status:
Potentially unwanted

Analysis date:
4/29/2024 5:22:42 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Symmi.14078
1141

Agnitum Outpost
Trojan.Agent
7.1.1

AhnLab V3 Security
Trojan/Win32.Agent
2013.12.21

Avira AntiVirus
TR/Downloader.Gen
7.11.120.252

AVG
Downloader.Agent2
2014.0.3619

Baidu Antivirus
Trojan.Win32.Downloader
4.0.3.131221

Bitdefender
Gen:Variant.Symmi.14078
1.0.20.1775

Bkav FE
W32.XalunuC.Trojan
1.3.0.4613

Boost by Reason
Optional.Task.K
188163

Comodo Security
TrojWare.Win32.Downloader.Agent.~AKO
17473

Dr.Web
Trojan.DownLoad3.30969
9.0.1.0355

Emsisoft Anti-Malware
Gen:Variant.Symmi.14078
8.13.12.21.07

ESET NOD32
Win32/TrojanDownloader.Agent.AFD (variant)
7.9190

Fortinet FortiGate
W32/Agent.AFD!tr.dldr
12/21/2013

G Data
Gen:Variant.Symmi.14078
13.12.22

IKARUS anti.virus
Trojan-Downloader.Agent
t3scan.2.2.29

K7 AntiVirus
Trojan-Downloader
13.174.10588

Malwarebytes
PUP.Optional.MultiPlug.A
v2013.12.21.07

McAfee
RDN/Downloader.a!ny
5600.7275

MicroWorld eScan
Gen:Variant.Symmi.14078
14.0.0.1065

NANO AntiVirus
Trojan.Win32.Symmi.cnlorl
0.28.0.57029

Norman
Suspicious_Gen5.AIENL
11.20131221

Reason Heuristics
Unnamed.Threat.11
14.3.1.15

Trend Micro House Call
TROJ_SPNR.29KK13
7.2.355

Trend Micro
TROJ_SPNR.29KK13
10.465.21

File size:
711 KB (728,064 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\quickset\sk.enhancer\sk.enhancer.exe

File PE Metadata
Compilation timestamp:
10/30/2013 1:10:07 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:wFNCTw4NZ+WiG6s5yRMHp30YtckzK8rdDzsAE6otKc4oOYHEd:wFN0o0RAU0YtDhEsc4o6d

Entry address:
0x4433C

Entry point:
E8, 13, 6B, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 90, 3F, 06, 10, E8, 1E, 04, 00, 00, E8, B4, 0B, 00, 00, 0F, B7, F0, 6A, 02, E8, A6, 6A, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 00, 10, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 00, 10, 81, B8, 00, 00, 00, 10, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 00, 10, 75, DD, 33, DB, 83, B8, 74, 00, 00, 10, 0E, 76, 09, 39, 98, E8, 00, 00, 10, 0F, 95, C3, 89, 5D, E4, E8, 08, 12, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
337.5 KB (345,600 bytes)

4 Scheduled Tasks
Task name:
SK.Enhancer-S-747939423

Trigger:
Logon (Runs on logon)

Task name:
SK_Enhancer-S-5954919797

Trigger:
Logon (Runs on logon)

Task name:
Sk-Enhancer-S-5902107913

Trigger:
Logon (Runs on logon)

Task name:
SK.Enhancer-S-161304646

Trigger:
Logon (Runs on logon)

Action:
sk.enhancer.exe \schedule \profile "C:\ProgramData\quickset\sk.enh

Description:
SK.Enhancer-S-161304646


The file sk.enhancer.exe has been discovered within the following programs.

SK.Enhancer  by WebPick Internet Holdings Ltd.
SK.Enhancer is a protection mechanism that is designed to protect bundled software of potentially unwanted programs distributed through bundles. Also know as SProtector, SK.
83% remove it
 
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The file sk.enhancer.exe has been seen being distributed by the following 3 URLs.

http://i1.stylefun.info/.../agent2.exe

http://i1.getapplicationmy.info/.../agent2.exe

http://i1.stylezip.info/.../agent2.exe

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