BKDR_MAMBA.A

 Analysis by: Byron Jon Gelera

 ALIASES:

Trojan:Win32/Blakamba.gen!A (Microsoft); a variant of Python/Mamba.E (ESET-NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It does not have any propagation routine.

It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size:

8,016,317 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

13 Mar 2018

Payload:

Compromises system security, Connects to URLs/IPs, Steals information

Arrival Details

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Backdoor drops the following copies of itself into the affected system:

  • %Application Data%\{string1} {string2}\{string1} {string2}.exe

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It creates the following folders:

  • %Application Data%\{string1} {string2}\

(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Autostart Technique

This Backdoor registers itself as a system service to ensure its automatic execution at every system startup by adding the following registry entries:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\{string 1}{string 2}
ImagePath = "%Application Data%\{string1} {string2}\{string1} {string2}.exe"

Other System Modifications

This Backdoor adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
{GUID1}\{GUID2}
{Default} = {encoded values}

Propagation

This Backdoor does not have any propagation routine.

Backdoor Routine

This Backdoor executes the following commands from a remote malicious user:

  • Download and execute arbitrary file
  • Send stolen information

It connects to the following websites to send and receive information:

  • http://{BLOCKED}lle.xyz/get/
  • http://{BLOCKED}tate.xyz/get/
  • http://{BLOCKED}hared.xyz/get/
  • http://{BLOCKED}lper.xyz/get/
  • http://{BLOCKED}word.xyz/get/
  • http://{BLOCKED}vejob.xyz/get/
  • http://{BLOCKED}erstore.xyz/get/
  • http://{BLOCKED}erzip.xyz/get/
  • http://{BLOCKED}de.xyz/get/
  • http://{BLOCKED}nwind.xyz/get/

Rootkit Capabilities

This Backdoor does not have rootkit capabilities.

Information Theft

This Backdoor gathers the following data:

  • Volume Serial Number
  • MAC Address
  • OS Version
  • System Type (32bit or 64 bit)
  • Screen resolution
  • OS Version Service Pack
  • Current date and time
  • Malware path and filename
  • Malware ID and version

Stolen Information

This Backdoor saves the stolen information in the following file:

  • {Malware path}\{Malware filename}.dat

Other Details

This Backdoor does the following:

  • It checks the existence of the file "C:\ILOVEDBG", if found it will create the file %System Root%\temp\mambalog{number}.txt
  • It requires specific python modules to be installed on the machine to proceed with its intended routines.

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

NOTES:

{string1} can be any of the following:

  • abrupt
  • acidic
  • adorable
  • adventurous
  • aggressive
  • agitated
  • alert
  • aloof
  • amiable
  • amused
  • annoyed
  • antsy
  • anxious
  • appalling
  • appetizing
  • apprehensive
  • arrogant
  • ashamed
  • astonishing
  • attractive
  • average
  • batty
  • beefy
  • bewildered
  • biting
  • bitter
  • bland
  • blushing
  • bored
  • brave
  • bright
  • broad
  • bulky
  • burly
  • charming
  • cheeky
  • cheerful
  • chubby
  • clean
  • clear
  • cloudy
  • clueless
  • clumsy
  • colorful
  • colossal
  • combative
  • comfortable
  • condemned
  • condescending
  • confused
  • contemplative
  • convincing
  • convoluted
  • cooperative
  • corny
  • costly
  • courageous
  • crabby
  • creepy
  • crooked
  • cruel
  • cumbersome
  • curved
  • cynical
  • dangerous
  • dashing
  • decayed
  • deceitful
  • deep
  • defeated
  • defiant
  • delicious
  • delightful
  • depraved
  • depressed
  • despicable
  • determined
  • dilapidated
  • diminutive
  • disgusted
  • distinct
  • distraught
  • distressed
  • disturbed
  • dizzy
  • drab
  • drained
  • dull
  • eager
  • ecstatic
  • elated
  • elegant
  • emaciated
  • embarrassed
  • enchanting
  • encouraging
  • energetic
  • enormous
  • enthusiastic
  • envious
  • exasperated
  • excited
  • exhilarated
  • extensive
  • exuberant
  • fancy
  • fantastic
  • fierce
  • filthy
  • flat
  • floppy
  • fluttering
  • foolish
  • frantic
  • fresh
  • friendly
  • frightened
  • frothy
  • frustrating
  • funny
  • fuzzy
  • gaudy
  • gentle
  • ghastly
  • giddy
  • gigantic
  • glamorous
  • gleaming
  • glorious
  • gorgeous
  • graceful
  • greasy
  • grieving
  • gritty
  • grotesque
  • grubby
  • grumpy
  • handsome
  • happy
  • harebrained
  • healthy
  • helpful
  • helpless
  • high
  • hollow
  • homely
  • horrific
  • huge
  • hungry
  • hurt
  • icy
  • ideal
  • immense
  • impressionable
  • intrigued
  • irate
  • irritable
  • itchy
  • jealous
  • jittery
  • jolly
  • joyous
  • filthy
  • flat
  • floppy
  • fluttering
  • foolish
  • frantic
  • fresh
  • friendly
  • frightened
  • frothy
  • frustrating
  • funny
  • fuzzy
  • gaudy
  • gentle
  • ghastly
  • giddy
  • gigantic
  • glamorous
  • gleaming
  • glorious
  • gorgeous
  • graceful
  • greasy
  • grieving
  • gritty
  • grotesque
  • grubby
  • grumpy
  • handsome
  • happy
  • harebrained
  • healthy
  • helpful
  • helpless
  • high
  • hollow
  • homely
  • horrific
  • huge
  • hungry
  • hurt
  • icy
  • ideal
  • immense
  • impressionable
  • intrigued
  • irate
  • irritable
  • itchy
  • jealous
  • jittery
  • jolly
  • joyous
  • juicy
  • jumpy
  • kind
  • lackadaisical
  • large
  • lazy
  • lethal
  • little
  • lively
  • livid
  • lonely
  • loose
  • lovely
  • lucky
  • ludicrous
  • macho
  • magnificent
  • mammoth
  • maniacal
  • massive
  • melancholy
  • melted
  • miniature
  • minute
  • mistaken
  • misty
  • moody
  • mortified
  • motionless
  • muddy
  • mysterious
  • narrow
  • nasty
  • naughty
  • nervous
  • nonchalant
  • nonsensical
  • nutritious
  • nutty
  • obedient
  • oblivious
  • obnoxious
  • odd
  • old-fashioned
  • outrageous
  • panicky
  • perfect
  • perplexed
  • petite
  • petty
  • plain
  • pleasant
  • poised
  • pompous
  • precious
  • prickly
  • proud
  • pungent
  • puny
  • quaint
  • quizzical
  • ratty
  • reassured
  • relieved
  • repulsive
  • responsive
  • ripe
  • robust
  • rotten
  • rotund
  • rough
  • round
  • salty
  • sarcastic
  • scant
  • scary
  • scattered
  • scrawny
  • selfish
  • shaggy
  • shaky
  • shallow
  • sharp
  • shiny
  • short
  • silky
  • silly
  • skinny
  • slimy
  • slippery
  • small
  • smarmy
  • smiling
  • smoggy
  • smooth
  • smug
  • soggy
  • solid
  • sore
  • sour
  • sparkling
  • spicy
  • splendid
  • spotless
  • square
  • stale
  • steady
  • steep
  • responsive
  • sticky
  • stormy
  • stout
  • straight
  • strange
  • strong
  • stunning
  • substantial
  • successful
  • succulent
  • superficial
  • superior
  • swanky
  • sweet
  • tart
  • tasty
  • teeny
  • tender
  • tense
  • terrible
  • testy
  • thankful
  • thick
  • thoughtful
  • thoughtless
  • tight
  • timely
  • tricky
  • trite
  • troubled
  • twitter pated
  • uneven
  • unsightly
  • upset
  • uptight
  • vast
  • vexed
  • victorious
  • virtuous
  • vivacious
  • vivid
  • wacky
  • weary
  • whimsical
  • whopping
  • wicked
  • witty
  • wobbly
  • wonderful
  • worried
  • yummy
  • zany
  • zealous
  • zippy

And {string2} can be any of the following:

  • history
  • way
  • art
  • world
  • information
  • map
  • two
  • family
  • government
  • health
  • system
  • computer
  • meat
  • year
  • thanks
  • music
  • person
  • reading
  • method
  • data
  • food
  • understanding
  • theory
  • law
  • bird
  • literature
  • problem
  • software
  • control
  • knowledge
  • power
  • ability
  • economics
  • love
  • internet
  • television
  • science
  • library
  • nature
  • fact
  • product
  • idea
  • temperature
  • investment
  • area
  • society
  • activity
  • story
  • industry
  • media
  • thing
  • oven
  • community
  • definition
  • safety
  • quality
  • development
  • language
  • management
  • player
  • variety
  • video
  • week
  • security
  • country
  • exam
  • movie
  • organization
  • equipment
  • physics
  • analysis
  • policy
  • series
  • thought
  • basis
  • boyfriend
  • direction
  • strategy
  • technology
  • army
  • camera
  • freedom
  • paper
  • environment
  • child
  • instance
  • month
  • truth
  • marketing
  • university
  • writing
  • article
  • department
  • difference
  • goal
  • news
  • audience
  • fishing
  • growth
  • income
  • marriage
  • user
  • combination
  • failure
  • meaning
  • medicine
  • philosophy
  • teacher
  • communication
  • night
  • chemistry
  • disease
  • disk
  • energy
  • nation
  • road
  • role
  • soup
  • advertising
  • location
  • success
  • addition
  • apartment
  • education
  • math
  • moment
  • painting
  • politics
  • attention
  • decision
  • event
  • property
  • shopping
  • student
  • wood
  • competition
  • distribution
  • entertainment
  • office
  • population
  • president
  • unit
  • category
  • cigarette
  • context
  • introduction
  • opportunity
  • performance
  • driver
  • flight
  • length
  • magazine
  • newspaper
  • relationship
  • teaching
  • cell
  • dealer
  • finding
  • lake
  • member
  • message
  • phone
  • scene
  • appearance
  • association
  • concept
  • customer
  • death
  • discussion
  • housing
  • inflation
  • insurance
  • mood
  • woman
  • advice
  • blood
  • effort
  • expression
  • importance
  • opinion
  • payment
  • reality
  • responsibility
  • situation
  • skill
  • statement
  • wealth
  • application
  • city
  • county
  • depth
  • estate
  • foundation
  • grandmother
  • heart
  • perspective
  • photo
  • recipe
  • studio
  • topic
  • collection
  • depression
  • imagination
  • passion
  • percentage
  • resource
  • setting
  • ad
  • agency
  • college
  • connection
  • criticism
  • debt
  • description
  • memory
  • patience
  • secretary
  • solution
  • administration
  • aspect
  • attitude
  • director
  • personality
  • psychology
  • recommendation
  • response
  • selection
  • storage
  • version
  • alcohol
  • argument
  • complaint
  • contract
  • emphasis
  • highway
  • loss
  • membership
  • possession
  • preparation
  • steak
  • union
  • agreement
  • cancer
  • currency
  • employment
  • engineering
  • entry
  • interaction
  • mixture
  • preference
  • region
  • republic
  • tradition
  • virus
  • actor
  • classroom
  • delivery
  • device
  • difficulty
  • drama
  • election
  • engine
  • football
  • guidance
  • hotel
  • owner
  • priority
  • protection
  • suggestion
  • tension
  • variation
  • anxiety
  • atmosphere
  • awareness
  • bath
  • bread
  • candidate
  • climate
  • comparison
  • confusion
  • construction
  • elevator
  • emotion
  • employee
  • employer
  • guest
  • height
  • leadership
  • mall
  • manager
  • operation
  • recording
  • sample
  • transportation
  • charity
  • cousin
  • disaster
  • editor
  • efficiency
  • excitement
  • extent
  • feedback
  • guitar
  • homework
  • leader
  • mom
  • outcome
  • permission
  • presentation
  • promotion
  • reflection
  • refrigerator
  • resolution
  • revenue
  • session
  • singer
  • tennis
  • basket
  • bonus
  • cabinet
  • childhood
  • church
  • clothes
  • coffee
  • dinner
  • drawing
  • hair
  • hearing
  • initiative
  • judgment
  • lab
  • measurement
  • mode
  • mud
  • orange
  • poetry
  • police
  • possibility
  • procedure
  • queen
  • ratio
  • relation
  • restaurant
  • satisfaction
  • sector
  • signature
  • significance
  • song
  • tooth
  • town
  • vehicle
  • volume
  • wife
  • accident
  • airport
  • appointment
  • arrival
  • assumption
  • baseball
  • chapter
  • committee
  • conversation
  • database
  • enthusiasm
  • error
  • explanation
  • farmer
  • gate
  • girl
  • hall
  • historian
  • hospital
  • injury
  • instruction
  • maintenance
  • manufacturer
  • meal
  • perception
  • pie
  • poem
  • presence
  • proposal
  • reception
  • replacement
  • revolution
  • river
  • son
  • speech
  • tea
  • village
  • warning
  • winner
  • worker
  • writer
  • assistance
  • breath
  • buyer
  • chest
  • chocolate
  • conclusion
  • contribution
  • cookie
  • courage
  • dad
  • desk
  • drawer
  • establishment
  • examination
  • garbage
  • grocery
  • honey
  • impression
  • improvement
  • independence
  • insect
  • inspection
  • inspector
  • king
  • ladder
  • menu
  • penalty
  • piano
  • potato
  • profession
  • professor
  • quantity
  • reaction
  • requirement
  • salad
  • sister
  • supermarket
  • tongue
  • weakness
  • wedding
  • affair
  • ambition
  • analyst
  • apple
  • assignment
  • assistant
  • bathroom
  • bedroom
  • beer
  • birthday
  • celebration
  • championship
  • cheek
  • client
  • consequence
  • departure
  • diamond
  • dirt
  • ear
  • fortune
  • friendship
  • funeral
  • gene
  • girlfriend
  • hat
  • indication
  • intention
  • lady
  • midnight
  • negotiation
  • obligation
  • passenger
  • pizza
  • platform
  • poet
  • pollution
  • recognition
  • reputation
  • shirt
  • sir
  • speaker
  • stranger
  • surgery
  • sympathy
  • tale
  • throat
  • trainer
  • uncle
  • youth
  • time
  • work
  • film
  • water
  • money
  • example
  • while
  • business
  • study
  • game
  • life
  • form
  • air
  • day
  • place
  • number
  • part
  • field
  • fish
  • back
  • process
  • heat
  • hand
  • experience
  • job
  • book
  • end
  • point
  • type
  • home
  • economy
  • value
  • body
  • market
  • guide
  • interest
  • state
  • radio
  • course
  • company
  • price
  • size
  • card
  • list
  • mind
  • trade
  • line
  • care
  • group
  • risk
  • word
  • fat
  • force
  • key
  • light
  • training
  • name
  • school
  • top
  • amount
  • level
  • order
  • practice
  • research
  • sense
  • service
  • piece
  • web
  • boss
  • sport
  • fun
  • house
  • page
  • term
  • test
  • answer
  • sound
  • focus
  • matter
  • kind
  • soil
  • board
  • oil
  • picture
  • access
  • garden
  • range
  • rate
  • reason
  • future
  • site
  • demand
  • exercise
  • image
  • case
  • cause
  • coast
  • action
  • age
  • bad
  • boat
  • record
  • result
  • section
  • building
  • mouse
  • cash
  • class
  • nothing
  • period
  • plan
  • store
  • tax
  • side
  • subject
  • space
  • rule
  • stock
  • weather
  • chance
  • figure
  • man
  • model
  • source
  • beginning
  • earth
  • program
  • chicken
  • design
  • feature
  • head
  • material
  • purpose
  • question
  • rock
  • salt
  • act
  • birth
  • car
  • dog
  • object
  • scale
  • sun
  • note
  • profit
  • rent
  • speed
  • style
  • war
  • bank
  • craft
  • half
  • inside
  • outside
  • standard
  • bus
  • exchange
  • eye
  • fire
  • position
  • pressure
  • stress
  • advantage
  • benefit
  • box
  • frame
  • issue
  • step
  • cycle
  • face
  • item
  • metal
  • paint
  • review
  • room
  • screen
  • structure
  • view
  • account
  • ball
  • discipline
  • medium
  • share
  • balance
  • bit
  • black
  • bottom
  • choice
  • gift
  • impact
  • machine
  • shape
  • tool
  • wind
  • address
  • average
  • career
  • culture
  • morning
  • pot
  • sign
  • table
  • task
  • condition
  • contact
  • credit
  • egg
  • hope
  • ice
  • network
  • north
  • square
  • attempt
  • date
  • effect
  • link
  • post
  • star
  • voice
  • capital
  • challenge
  • friend
  • self
  • shot
  • brush
  • couple
  • debate
  • exit
  • front
  • function
  • lack
  • living
  • plant
  • plastic
  • spot
  • summer
  • taste
  • theme
  • track
  • wing
  • brain
  • button
  • click
  • desire
  • foot
  • gas
  • influence
  • notice
  • rain
  • wall
  • base
  • damage
  • distance
  • feeling
  • pair
  • savings
  • staff
  • sugar
  • target
  • text
  • animal
  • author
  • budget
  • discount
  • file
  • ground
  • lesson
  • minute
  • officer
  • phase
  • reference
  • register
  • sky
  • stage
  • stick
  • title
  • trouble
  • bowl
  • bridge
  • campaign
  • character
  • club
  • edge
  • evidence
  • fan
  • letter
  • lock
  • maximum
  • novel
  • option
  • pack
  • park
  • plenty
  • quarter
  • skin
  • sort
  • weight
  • baby
  • background
  • carry
  • dish
  • factor
  • fruit
  • glass
  • joint
  • master
  • muscle
  • red
  • strength
  • traffic
  • trip
  • vegetable
  • appeal
  • chart
  • gear
  • ideal
  • kitchen
  • land
  • log
  • mother
  • net
  • party
  • principle
  • relative
  • sale
  • season
  • signal
  • spirit
  • street
  • tree
  • wave
  • belt
  • bench
  • commission
  • copy
  • drop
  • minimum
  • path
  • progress
  • project
  • sea
  • south
  • status
  • stuff
  • ticket
  • tour
  • angle
  • blue
  • breakfast
  • confidence
  • daughter
  • degree
  • doctor
  • dot
  • dream
  • duty
  • essay
  • father
  • fee
  • finance
  • hour
  • juice
  • limit
  • luck
  • milk
  • mouth
  • peace
  • pipe
  • seat
  • stable
  • storm
  • substance
  • team
  • trick
  • afternoon
  • bat
  • beach
  • blank
  • catch
  • chain
  • consideration
  • cream
  • crew
  • detail
  • gold
  • interview
  • kid
  • mark
  • match
  • mission
  • pain
  • pleasure
  • score
  • screw
  • sex
  • shop
  • shower
  • suit
  • tone
  • window
  • agent
  • band
  • block
  • bone
  • calendar
  • cap
  • coat
  • contest
  • corner
  • court
  • cup
  • district
  • door
  • east
  • finger
  • garage
  • guarantee
  • hole
  • hook
  • implement
  • layer
  • lecture
  • lie
  • manner
  • meeting
  • nose
  • parking
  • partner
  • profile
  • respect
  • rice
  • routine
  • schedule
  • swimming
  • telephone
  • tip
  • winter
  • airline
  • bag
  • battle
  • bed
  • bill
  • bother
  • cake
  • code
  • curve
  • designer
  • dimension
  • dress
  • ease
  • emergency
  • evening
  • extension
  • farm
  • fight
  • gap
  • grade
  • holiday
  • horror
  • horse
  • host
  • husband
  • loan
  • mistake
  • mountain
  • nail
  • noise
  • occasion
  • package
  • patient
  • pause
  • phrase
  • proof
  • race
  • relief
  • sand
  • sentence
  • shoulder
  • smoke
  • stomach
  • string
  • tourist
  • towel
  • vacation
  • west
  • wheel
  • wine
  • arm
  • aside
  • associate
  • bet
  • blow
  • border
  • branch
  • breast
  • brother
  • buddy
  • bunch
  • chip
  • coach
  • cross
  • document
  • draft
  • dust
  • expert
  • floor
  • god
  • golf
  • habit
  • iron
  • judge
  • knife
  • landscape
  • league
  • mail
  • mess
  • native
  • opening
  • parent
  • pattern
  • pin
  • pool
  • pound
  • request
  • salary
  • shame
  • shelter
  • shoe
  • silver
  • tackle
  • tank
  • trust
  • assist
  • bake
  • bar
  • bell
  • bike
  • blame
  • boy
  • brick
  • chair
  • closet
  • clue
  • collar
  • comment
  • conference
  • devil
  • diet
  • fear
  • fuel
  • glove
  • jacket
  • lunch
  • monitor
  • mortgage
  • nurse
  • pace
  • panic
  • peak
  • plane
  • reward
  • row
  • sandwich
  • shock
  • spite
  • spray
  • surprise
  • till
  • transition
  • weekend
  • welcome
  • yard
  • alarm
  • bend
  • bicycle
  • bite
  • blind
  • bottle
  • cable
  • candle
  • clerk
  • cloud
  • concert
  • counter
  • flower
  • grandfather
  • harm
  • knee
  • lawyer
  • leather
  • load
  • mirror
  • neck
  • pension
  • plate
  • purple
  • ruin
  • ship
  • skirt
  • slice
  • snow
  • specialist
  • stroke
  • switch
  • trash
  • tune
  • zone
  • anger
  • award
  • bid
  • bitter
  • boot
  • bug
  • camp
  • candy
  • carpet
  • cat
  • champion
  • channel
  • clock
  • comfort
  • cow
  • crack
  • engineer
  • entrance
  • fault
  • grass
  • guy
  • hell
  • highlight
  • incident
  • island
  • joke
  • jury
  • leg
  • lip
  • mate
  • motor
  • nerve
  • passage
  • pen
  • pride
  • priest
  • prize
  • promise
  • resident
  • resort
  • ring
  • roof
  • rope
  • sail
  • scheme
  • script
  • sock
  • station
  • toe
  • tower
  • truck
  • witness
  • a
  • you
  • it
  • can
  • will
  • if
  • one
  • many
  • most
  • other
  • use
  • make
  • good
  • look
  • help
  • go
  • great
  • being
  • few
  • might
  • still
  • public
  • read
  • keep
  • start
  • give
  • human
  • local
  • general
  • she
  • specific
  • long
  • play
  • feel
  • high
  • tonight
  • put
  • common
  • set
  • change
  • simple
  • past
  • big
  • possible
  • particular
  • today
  • major
  • personal
  • current
  • national
  • cut
  • natural
  • physical
  • show
  • try
  • check
  • second
  • call
  • move
  • pay
  • let
  • increase
  • single
  • individual
  • turn
  • ask
  • buy
  • guard
  • hold
  • main
  • offer
  • potential
  • professional
  • international
  • travel
  • cook
  • alternative
  • following
  • special
  • working
  • whole
  • dance
  • excuse
  • cold
  • commercial
  • low
  • purchase
  • deal
  • primary
  • worth
  • fall
  • necessary
  • positive
  • produce
  • search
  • present
  • spend
  • talk
  • creative
  • tell
  • cost
  • drive
  • green
  • support
  • glad
  • remove
  • return
  • run
  • complex
  • due
  • effective
  • middle
  • regular
  • reserve
  • independent
  • leave
  • original
  • reach
  • rest
  • serve
  • watch
  • beautiful
  • charge
  • active
  • break
  • negative
  • safe
  • stay
  • visit
  • visual
  • affect
  • cover
  • report
  • rise
  • walk
  • white
  • beyond
  • junior
  • pick
  • unique
  • anything
  • classic
  • final
  • lift
  • mix
  • private
  • stop
  • teach
  • western
  • concern
  • familiar
  • fly
  • official
  • broad
  • comfortable
  • gain
  • maybe
  • rich
  • save
  • stand
  • young
  • fail
  • heavy
  • hello
  • lead
  • listen
  • valuable
  • worry
  • handle
  • leading
  • meet
  • release
  • sell
  • finish
  • normal
  • press
  • ride
  • secret
  • spread
  • spring
  • tough
  • wait
  • brown
  • deep
  • display
  • flow
  • hit
  • objective
  • shoot
  • touch
  • cancel
  • chemical
  • cry
  • dump
  • extreme
  • push
  • conflict
  • eat
  • fill
  • formal
  • jump
  • kick
  • opposite
  • pass
  • pitch
  • remote
  • total
  • treat
  • vast
  • abuse
  • beat
  • burn
  • deposit
  • print
  • raise
  • sleep
  • somewhere
  • advance
  • anywhere
  • consist
  • dark
  • double
  • draw
  • equal
  • fix
  • hire
  • internal
  • join
  • kill
  • sensitive
  • tap
  • win
  • attack
  • claim
  • constant
  • drag
  • drink
  • guess
  • minor
  • pull
  • raw
  • soft
  • solid
  • wear
  • weird
  • wonder
  • annual
  • count
  • dead
  • doubt
  • feed
  • forever
  • impress
  • nobody
  • repeat
  • round
  • sing
  • slide
  • strip
  • whereas
  • wish
  • combine
  • command
  • dig
  • divide
  • equivalent
  • hang
  • hunt
  • initial
  • march
  • mention
  • smell
  • spiritual
  • survey
  • tie
  • adult
  • brief
  • crazy
  • escape
  • gather
  • hate
  • prior
  • repair
  • rough
  • sad
  • scratch
  • sick
  • strike
  • employ
  • external
  • hurt
  • illegal
  • laugh
  • lay
  • mobile
  • nasty
  • ordinary
  • respond
  • royal
  • senior
  • split
  • strain
  • struggle
  • swim
  • train
  • upper
  • wash
  • yellow
  • convert
  • crash
  • dependent
  • fold
  • funny
  • grab
  • hide
  • miss
  • permit
  • quote
  • recover
  • resolve
  • roll
  • sink
  • slip
  • spare
  • suspect
  • sweet
  • swing
  • twist
  • upstairs
  • usual
  • abroad
  • brave
  • calm
  • concentrate
  • estimate
  • grand
  • male
  • mine
  • prompt
  • quiet
  • refuse
  • regret
  • reveal
  • rush
  • shake
  • shift
  • shine
  • steal
  • suck
  • surround
  • anybody
  • bear
  • brilliant
  • dare
  • dear
  • delay
  • drunk
  • female
  • hurry
  • inevitable
  • invite
  • kiss
  • neat
  • pop
  • punch
  • quit
  • reply
  • representative
  • resist
  • rip
  • rub
  • silly
  • smile
  • spell
  • stretch
  • stupid
  • tear
  • temporary
  • tomorrow
  • wake
  • wrap
  • yesterday

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

14.130.02

FIRST VSAPI PATTERN DATE:

15 Mar 2018

VSAPI OPR PATTERN File:

14.131.00

VSAPI OPR PATTERN Date:

16 Mar 2018

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Restart in Safe Mode, and then delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services
    • {string 1}{string 2}

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{GUID1}\{GUID2}
    • {Default} = {encoded values}

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Application Data%\{string1} {string2}\

Step 6

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • {Malware path}\{Malware filename}.dat
  • %System Root%\temp\mambalog{number}.txt

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR_MAMBA.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 8

Scan your computer with your Trend Micro product to delete files detected as BKDR_MAMBA.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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